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Finding the Fourth Proportional to 93,494.68, 129,025.78 and 52,665.82

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Solution

The fourth proportional to 93,494.68, 129,025.78 and 52,665.82 is: 72,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,494.68 : 129,025.78 = 52,665.82 : x
  2. Step 2: Convert to fraction form
    93,494.68/129,025.78 = 52,665.82/x
  3. Step 3: Cross multiply
    93,494.68x = 129,025.78 × 52,665.82
  4. Step 4: Simplify right side
    93,494.68x = 6,795,248,050.61
  5. Step 5: Solve for x
    x = 6,795,248,050.61/93,494.68
  6. Step 6: Final answer
    x = 72,680.59

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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.