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Finding the Fourth Proportional to 100,181,715.40, 150,272,573.10 and 100,181,715.40

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Solution

The fourth proportional to 100,181,715.40, 150,272,573.10 and 100,181,715.40 is: 150,272,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,181,715.40 : 150,272,573.10 = 100,181,715.40 : x
  2. Step 2: Convert to fraction form
    100,181,715.40/150,272,573.10 = 100,181,715.40/x
  3. Step 3: Cross multiply
    100,181,715.40x = 150,272,573.10 × 100,181,715.40
  4. Step 4: Simplify right side
    100,181,715.40x = 15,054,564,150,729,896
  5. Step 5: Solve for x
    x = 15,054,564,150,729,896/100,181,715.40
  6. Step 6: Final answer
    x = 150,272,573.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.