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Finding the Fourth Proportional to 113,167.83, 169,585.60 and 56,930.65

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Solution

The fourth proportional to 113,167.83, 169,585.60 and 56,930.65 is: 85,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,167.83 : 169,585.60 = 56,930.65 : x
  2. Step 2: Convert to fraction form
    113,167.83/169,585.60 = 56,930.65/x
  3. Step 3: Cross multiply
    113,167.83x = 169,585.60 × 56,930.65
  4. Step 4: Simplify right side
    113,167.83x = 9,654,617,979.09
  5. Step 5: Solve for x
    x = 9,654,617,979.09/113,167.83
  6. Step 6: Final answer
    x = 85,312.39

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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.