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Finding the Fourth Proportional to 83,737.12, 125,559.45 and 43,656.10

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Solution

The fourth proportional to 83,737.12, 125,559.45 and 43,656.10 is: 65,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,737.12 : 125,559.45 = 43,656.10 : x
  2. Step 2: Convert to fraction form
    83,737.12/125,559.45 = 43,656.10/x
  3. Step 3: Cross multiply
    83,737.12x = 125,559.45 × 43,656.10
  4. Step 4: Simplify right side
    83,737.12x = 5,481,435,905.15
  5. Step 5: Solve for x
    x = 5,481,435,905.15/83,737.12
  6. Step 6: Final answer
    x = 65,460.05

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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.