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Finding the Fourth Proportional to 181,614.59, 250,486.13 and 117,972.89

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Solution

The fourth proportional to 181,614.59, 250,486.13 and 117,972.89 is: 162,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,614.59 : 250,486.13 = 117,972.89 : x
  2. Step 2: Convert to fraction form
    181,614.59/250,486.13 = 117,972.89/x
  3. Step 3: Cross multiply
    181,614.59x = 250,486.13 × 117,972.89
  4. Step 4: Simplify right side
    181,614.59x = 29,550,572,071.15
  5. Step 5: Solve for x
    x = 29,550,572,071.15/181,614.59
  6. Step 6: Final answer
    x = 162,710.34

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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.