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Finding the Fourth Proportional to 148,385.61, 204,859.67 and 97,487.28

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Solution

The fourth proportional to 148,385.61, 204,859.67 and 97,487.28 is: 134,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,385.61 : 204,859.67 = 97,487.28 : x
  2. Step 2: Convert to fraction form
    148,385.61/204,859.67 = 97,487.28/x
  3. Step 3: Cross multiply
    148,385.61x = 204,859.67 × 97,487.28
  4. Step 4: Simplify right side
    148,385.61x = 19,971,211,522.56
  5. Step 5: Solve for x
    x = 19,971,211,522.56/148,385.61
  6. Step 6: Final answer
    x = 134,589.95

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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.