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Finding the Fourth Proportional to 93,517.67, 129,102.53 and 55,288.91

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Solution

The fourth proportional to 93,517.67, 129,102.53 and 55,288.91 is: 76,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,517.67 : 129,102.53 = 55,288.91 : x
  2. Step 2: Convert to fraction form
    93,517.67/129,102.53 = 55,288.91/x
  3. Step 3: Cross multiply
    93,517.67x = 129,102.53 × 55,288.91
  4. Step 4: Simplify right side
    93,517.67x = 7,137,937,239.99
  5. Step 5: Solve for x
    x = 7,137,937,239.99/93,517.67
  6. Step 6: Final answer
    x = 76,327.15

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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.