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Finding the Fourth Proportional to 93,229.52, 128,655.96 and 50,787.14

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Solution

The fourth proportional to 93,229.52, 128,655.96 and 50,787.14 is: 70,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,229.52 : 128,655.96 = 50,787.14 : x
  2. Step 2: Convert to fraction form
    93,229.52/128,655.96 = 50,787.14/x
  3. Step 3: Cross multiply
    93,229.52x = 128,655.96 × 50,787.14
  4. Step 4: Simplify right side
    93,229.52x = 6,534,068,252.35
  5. Step 5: Solve for x
    x = 6,534,068,252.35/93,229.52
  6. Step 6: Final answer
    x = 70,085.83

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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.