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Finding the Fourth Proportional to 181,697.12, 250,740.24 and 101,123.28

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Solution

The fourth proportional to 181,697.12, 250,740.24 and 101,123.28 is: 139,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,697.12 : 250,740.24 = 101,123.28 : x
  2. Step 2: Convert to fraction form
    181,697.12/250,740.24 = 101,123.28/x
  3. Step 3: Cross multiply
    181,697.12x = 250,740.24 × 101,123.28
  4. Step 4: Simplify right side
    181,697.12x = 25,355,675,496.79
  5. Step 5: Solve for x
    x = 25,355,675,496.79/181,697.12
  6. Step 6: Final answer
    x = 139,549.13

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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.