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Finding the Fourth Proportional to 75,082.49, 112,505.17 and 60,973.86

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Solution

The fourth proportional to 75,082.49, 112,505.17 and 60,973.86 is: 91,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.49 : 112,505.17 = 60,973.86 : x
  2. Step 2: Convert to fraction form
    75,082.49/112,505.17 = 60,973.86/x
  3. Step 3: Cross multiply
    75,082.49x = 112,505.17 × 60,973.86
  4. Step 4: Simplify right side
    75,082.49x = 6,859,874,484.86
  5. Step 5: Solve for x
    x = 6,859,874,484.86/75,082.49
  6. Step 6: Final answer
    x = 91,364.51

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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.