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Finding the Fourth Proportional to 181,473, 250,420.88 and 100,897.56

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Solution

The fourth proportional to 181,473, 250,420.88 and 100,897.56 is: 139,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,473 : 250,420.88 = 100,897.56 : x
  2. Step 2: Convert to fraction form
    181,473/250,420.88 = 100,897.56/x
  3. Step 3: Cross multiply
    181,473x = 250,420.88 × 100,897.56
  4. Step 4: Simplify right side
    181,473x = 25,266,855,260.57
  5. Step 5: Solve for x
    x = 25,266,855,260.57/181,473
  6. Step 6: Final answer
    x = 139,232.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.