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Finding the Fourth Proportional to 158,757.95, 219,082.85 and 89,846.14

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Solution

The fourth proportional to 158,757.95, 219,082.85 and 89,846.14 is: 123,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,757.95 : 219,082.85 = 89,846.14 : x
  2. Step 2: Convert to fraction form
    158,757.95/219,082.85 = 89,846.14/x
  3. Step 3: Cross multiply
    158,757.95x = 219,082.85 × 89,846.14
  4. Step 4: Simplify right side
    158,757.95x = 19,683,747,910.77
  5. Step 5: Solve for x
    x = 19,683,747,910.77/158,757.95
  6. Step 6: Final answer
    x = 123,985.90

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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.