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Finding the Fourth Proportional to 106,861.47, 160,308.60 and 36,724.38

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Solution

The fourth proportional to 106,861.47, 160,308.60 and 36,724.38 is: 55,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,861.47 : 160,308.60 = 36,724.38 : x
  2. Step 2: Convert to fraction form
    106,861.47/160,308.60 = 36,724.38/x
  3. Step 3: Cross multiply
    106,861.47x = 160,308.60 × 36,724.38
  4. Step 4: Simplify right side
    106,861.47x = 5,887,233,943.67
  5. Step 5: Solve for x
    x = 5,887,233,943.67/106,861.47
  6. Step 6: Final answer
    x = 55,092.20

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1.5x scale

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.