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Finding the Fourth Proportional to 81,497.43, 122,246.55 and 22,332.60

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Solution

The fourth proportional to 81,497.43, 122,246.55 and 22,332.60 is: 33,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,497.43 : 122,246.55 = 22,332.60 : x
  2. Step 2: Convert to fraction form
    81,497.43/122,246.55 = 22,332.60/x
  3. Step 3: Cross multiply
    81,497.43x = 122,246.55 × 22,332.60
  4. Step 4: Simplify right side
    81,497.43x = 2,730,083,302.53
  5. Step 5: Solve for x
    x = 2,730,083,302.53/81,497.43
  6. Step 6: Final answer
    x = 33,499.01

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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.