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Finding the Fourth Proportional to 106,963.67, 147,625.29 and 61,632.96

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Solution

The fourth proportional to 106,963.67, 147,625.29 and 61,632.96 is: 85,062.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,963.67 : 147,625.29 = 61,632.96 : x
  2. Step 2: Convert to fraction form
    106,963.67/147,625.29 = 61,632.96/x
  3. Step 3: Cross multiply
    106,963.67x = 147,625.29 × 61,632.96
  4. Step 4: Simplify right side
    106,963.67x = 9,098,583,593.56
  5. Step 5: Solve for x
    x = 9,098,583,593.56/106,963.67
  6. Step 6: Final answer
    x = 85,062.38

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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.