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Finding the Fourth Proportional to 93,780.73, 140,671.73 and 38,376.73

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Solution

The fourth proportional to 93,780.73, 140,671.73 and 38,376.73 is: 57,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,780.73 : 140,671.73 = 38,376.73 : x
  2. Step 2: Convert to fraction form
    93,780.73/140,671.73 = 38,376.73/x
  3. Step 3: Cross multiply
    93,780.73x = 140,671.73 × 38,376.73
  4. Step 4: Simplify right side
    93,780.73x = 5,398,521,000.84
  5. Step 5: Solve for x
    x = 5,398,521,000.84/93,780.73
  6. Step 6: Final answer
    x = 57,565.35

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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.