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Finding the Fourth Proportional to 124,793.60, 187,124.78 and 107,341.34

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Solution

The fourth proportional to 124,793.60, 187,124.78 and 107,341.34 is: 160,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,793.60 : 187,124.78 = 107,341.34 : x
  2. Step 2: Convert to fraction form
    124,793.60/187,124.78 = 107,341.34/x
  3. Step 3: Cross multiply
    124,793.60x = 187,124.78 × 107,341.34
  4. Step 4: Simplify right side
    124,793.60x = 20,086,223,965.13
  5. Step 5: Solve for x
    x = 20,086,223,965.13/124,793.60
  6. Step 6: Final answer
    x = 160,955.57

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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.