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Finding the Fourth Proportional to 100,358.80, 150,530.48 and 37,149.24

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Solution

The fourth proportional to 100,358.80, 150,530.48 and 37,149.24 is: 55,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,358.80 : 150,530.48 = 37,149.24 : x
  2. Step 2: Convert to fraction form
    100,358.80/150,530.48 = 37,149.24/x
  3. Step 3: Cross multiply
    100,358.80x = 150,530.48 × 37,149.24
  4. Step 4: Simplify right side
    100,358.80x = 5,592,092,928.84
  5. Step 5: Solve for x
    x = 5,592,092,928.84/100,358.80
  6. Step 6: Final answer
    x = 55,721.00

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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.