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Finding the Fourth Proportional to 93,097.92, 128,385.75 and 62,540.13

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Solution

The fourth proportional to 93,097.92, 128,385.75 and 62,540.13 is: 86,245.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,097.92 : 128,385.75 = 62,540.13 : x
  2. Step 2: Convert to fraction form
    93,097.92/128,385.75 = 62,540.13/x
  3. Step 3: Cross multiply
    93,097.92x = 128,385.75 × 62,540.13
  4. Step 4: Simplify right side
    93,097.92x = 8,029,261,495.15
  5. Step 5: Solve for x
    x = 8,029,261,495.15/93,097.92
  6. Step 6: Final answer
    x = 86,245.34

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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.