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Finding the Fourth Proportional to 92,073.90, 137,889.30 and 62,401.70

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Solution

The fourth proportional to 92,073.90, 137,889.30 and 62,401.70 is: 93,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,073.90 : 137,889.30 = 62,401.70 : x
  2. Step 2: Convert to fraction form
    92,073.90/137,889.30 = 62,401.70/x
  3. Step 3: Cross multiply
    92,073.90x = 137,889.30 × 62,401.70
  4. Step 4: Simplify right side
    92,073.90x = 8,604,526,731.81
  5. Step 5: Solve for x
    x = 8,604,526,731.81/92,073.90
  6. Step 6: Final answer
    x = 93,452.40

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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.