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Finding the Fourth Proportional to 234,242.47, 351,324.15 and 65,724.13

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Solution

The fourth proportional to 234,242.47, 351,324.15 and 65,724.13 is: 98,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,242.47 : 351,324.15 = 65,724.13 : x
  2. Step 2: Convert to fraction form
    234,242.47/351,324.15 = 65,724.13/x
  3. Step 3: Cross multiply
    234,242.47x = 351,324.15 × 65,724.13
  4. Step 4: Simplify right side
    234,242.47x = 23,090,474,106.74
  5. Step 5: Solve for x
    x = 23,090,474,106.74/234,242.47
  6. Step 6: Final answer
    x = 98,575.10

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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.