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Finding the Fourth Proportional to 93,812.73, 129,481.65 and 59,813.39

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Solution

The fourth proportional to 93,812.73, 129,481.65 and 59,813.39 is: 82,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,812.73 : 129,481.65 = 59,813.39 : x
  2. Step 2: Convert to fraction form
    93,812.73/129,481.65 = 59,813.39/x
  3. Step 3: Cross multiply
    93,812.73x = 129,481.65 × 59,813.39
  4. Step 4: Simplify right side
    93,812.73x = 7,744,735,781.89
  5. Step 5: Solve for x
    x = 7,744,735,781.89/93,812.73
  6. Step 6: Final answer
    x = 82,555.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.