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Finding the Fourth Proportional to 357,717.97, 536,177.36 and 155,080.14

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Solution

The fourth proportional to 357,717.97, 536,177.36 and 155,080.14 is: 232,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,717.97 : 536,177.36 = 155,080.14 : x
  2. Step 2: Convert to fraction form
    357,717.97/536,177.36 = 155,080.14/x
  3. Step 3: Cross multiply
    357,717.97x = 536,177.36 × 155,080.14
  4. Step 4: Simplify right side
    357,717.97x = 83,150,456,597.34
  5. Step 5: Solve for x
    x = 83,150,456,597.34/357,717.97
  6. Step 6: Final answer
    x = 232,446.97

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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.