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Finding the Fourth Proportional to 185,911.65, 278,874.08 and 59,535.47

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Solution

The fourth proportional to 185,911.65, 278,874.08 and 59,535.47 is: 89,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,911.65 : 278,874.08 = 59,535.47 : x
  2. Step 2: Convert to fraction form
    185,911.65/278,874.08 = 59,535.47/x
  3. Step 3: Cross multiply
    185,911.65x = 278,874.08 × 59,535.47
  4. Step 4: Simplify right side
    185,911.65x = 16,602,900,046.38
  5. Step 5: Solve for x
    x = 16,602,900,046.38/185,911.65
  6. Step 6: Final answer
    x = 89,305.32

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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.