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Finding the Fourth Proportional to 357,711.66, 536,167.82 and 155,073.83

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Solution

The fourth proportional to 357,711.66, 536,167.82 and 155,073.83 is: 232,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,711.66 : 536,167.82 = 155,073.83 : x
  2. Step 2: Convert to fraction form
    357,711.66/536,167.82 = 155,073.83/x
  3. Step 3: Cross multiply
    357,711.66x = 536,167.82 × 155,073.83
  4. Step 4: Simplify right side
    357,711.66x = 83,145,595,077.00
  5. Step 5: Solve for x
    x = 83,145,595,077.00/357,711.66
  6. Step 6: Final answer
    x = 232,437.48

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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.