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Finding the Fourth Proportional to 137,767.80, 206,603.10 and 62,923.80

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Solution

The fourth proportional to 137,767.80, 206,603.10 and 62,923.80 is: 94,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,767.80 : 206,603.10 = 62,923.80 : x
  2. Step 2: Convert to fraction form
    137,767.80/206,603.10 = 62,923.80/x
  3. Step 3: Cross multiply
    137,767.80x = 206,603.10 × 62,923.80
  4. Step 4: Simplify right side
    137,767.80x = 13,000,252,143.78
  5. Step 5: Solve for x
    x = 13,000,252,143.78/137,767.80
  6. Step 6: Final answer
    x = 94,363.50

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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.