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Finding the Fourth Proportional to 83,100.60, 124,622.64 and 26,925.48

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Solution

The fourth proportional to 83,100.60, 124,622.64 and 26,925.48 is: 40,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100.60 : 124,622.64 = 26,925.48 : x
  2. Step 2: Convert to fraction form
    83,100.60/124,622.64 = 26,925.48/x
  3. Step 3: Cross multiply
    83,100.60x = 124,622.64 × 26,925.48
  4. Step 4: Simplify right side
    83,100.60x = 3,355,524,400.87
  5. Step 5: Solve for x
    x = 3,355,524,400.87/83,100.60
  6. Step 6: Final answer
    x = 40,379.06

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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.