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Finding the Fourth Proportional to 62,437.80, 93,656.70 and 61,854.60

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Solution

The fourth proportional to 62,437.80, 93,656.70 and 61,854.60 is: 92,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,437.80 : 93,656.70 = 61,854.60 : x
  2. Step 2: Convert to fraction form
    62,437.80/93,656.70 = 61,854.60/x
  3. Step 3: Cross multiply
    62,437.80x = 93,656.70 × 61,854.60
  4. Step 4: Simplify right side
    62,437.80x = 5,793,097,715.82
  5. Step 5: Solve for x
    x = 5,793,097,715.82/62,437.80
  6. Step 6: Final answer
    x = 92,781.90

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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.