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Finding the Fourth Proportional to 64,360.33, 88,724.20 and 45,181.71

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Solution

The fourth proportional to 64,360.33, 88,724.20 and 45,181.71 is: 62,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,360.33 : 88,724.20 = 45,181.71 : x
  2. Step 2: Convert to fraction form
    64,360.33/88,724.20 = 45,181.71/x
  3. Step 3: Cross multiply
    64,360.33x = 88,724.20 × 45,181.71
  4. Step 4: Simplify right side
    64,360.33x = 4,008,711,107.38
  5. Step 5: Solve for x
    x = 4,008,711,107.38/64,360.33
  6. Step 6: Final answer
    x = 62,285.43

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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.