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Finding the Fourth Proportional to 83,246.60, 124,913.10 and 36,504.20

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Solution

The fourth proportional to 83,246.60, 124,913.10 and 36,504.20 is: 54,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,246.60 : 124,913.10 = 36,504.20 : x
  2. Step 2: Convert to fraction form
    83,246.60/124,913.10 = 36,504.20/x
  3. Step 3: Cross multiply
    83,246.60x = 124,913.10 × 36,504.20
  4. Step 4: Simplify right side
    83,246.60x = 4,559,852,785.02
  5. Step 5: Solve for x
    x = 4,559,852,785.02/83,246.60
  6. Step 6: Final answer
    x = 54,775.24

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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.