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Finding the Fourth Proportional to 93,910.31, 129,599.76 and 53,624.42

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Solution

The fourth proportional to 93,910.31, 129,599.76 and 53,624.42 is: 74,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,910.31 : 129,599.76 = 53,624.42 : x
  2. Step 2: Convert to fraction form
    93,910.31/129,599.76 = 53,624.42/x
  3. Step 3: Cross multiply
    93,910.31x = 129,599.76 × 53,624.42
  4. Step 4: Simplify right side
    93,910.31x = 6,949,711,314.14
  5. Step 5: Solve for x
    x = 6,949,711,314.14/93,910.31
  6. Step 6: Final answer
    x = 74,003.71

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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.