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Finding the Fourth Proportional to 107,334.60, 160,937.90 and 65,811.40

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Solution

The fourth proportional to 107,334.60, 160,937.90 and 65,811.40 is: 98,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,334.60 : 160,937.90 = 65,811.40 : x
  2. Step 2: Convert to fraction form
    107,334.60/160,937.90 = 65,811.40/x
  3. Step 3: Cross multiply
    107,334.60x = 160,937.90 × 65,811.40
  4. Step 4: Simplify right side
    107,334.60x = 10,591,548,512.06
  5. Step 5: Solve for x
    x = 10,591,548,512.06/107,334.60
  6. Step 6: Final answer
    x = 98,677.86

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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.