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Finding the Fourth Proportional to 358,545.27, 537,842.55 and 118,658.73

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Solution

The fourth proportional to 358,545.27, 537,842.55 and 118,658.73 is: 177,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,545.27 : 537,842.55 = 118,658.73 : x
  2. Step 2: Convert to fraction form
    358,545.27/537,842.55 = 118,658.73/x
  3. Step 3: Cross multiply
    358,545.27x = 537,842.55 × 118,658.73
  4. Step 4: Simplify right side
    358,545.27x = 63,819,713,922.96
  5. Step 5: Solve for x
    x = 63,819,713,922.96/358,545.27
  6. Step 6: Final answer
    x = 177,996.25

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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.