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Finding the Fourth Proportional to 181,809.30, 272,487.15 and 93,098.10

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Solution

The fourth proportional to 181,809.30, 272,487.15 and 93,098.10 is: 139,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,809.30 : 272,487.15 = 93,098.10 : x
  2. Step 2: Convert to fraction form
    181,809.30/272,487.15 = 93,098.10/x
  3. Step 3: Cross multiply
    181,809.30x = 272,487.15 × 93,098.10
  4. Step 4: Simplify right side
    181,809.30x = 25,368,035,939.42
  5. Step 5: Solve for x
    x = 25,368,035,939.42/181,809.30
  6. Step 6: Final answer
    x = 139,531.01

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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.