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Finding the Fourth Proportional to 93,808.43, 129,454.34 and 51,366.96

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Solution

The fourth proportional to 93,808.43, 129,454.34 and 51,366.96 is: 70,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,808.43 : 129,454.34 = 51,366.96 : x
  2. Step 2: Convert to fraction form
    93,808.43/129,454.34 = 51,366.96/x
  3. Step 3: Cross multiply
    93,808.43x = 129,454.34 × 51,366.96
  4. Step 4: Simplify right side
    93,808.43x = 6,649,675,904.61
  5. Step 5: Solve for x
    x = 6,649,675,904.61/93,808.43
  6. Step 6: Final answer
    x = 70,885.70

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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.