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Finding the Fourth Proportional to 92,630.59, 127,728.70 and 60,305.56

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Solution

The fourth proportional to 92,630.59, 127,728.70 and 60,305.56 is: 83,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,630.59 : 127,728.70 = 60,305.56 : x
  2. Step 2: Convert to fraction form
    92,630.59/127,728.70 = 60,305.56/x
  3. Step 3: Cross multiply
    92,630.59x = 127,728.70 × 60,305.56
  4. Step 4: Simplify right side
    92,630.59x = 7,702,750,781.57
  5. Step 5: Solve for x
    x = 7,702,750,781.57/92,630.59
  6. Step 6: Final answer
    x = 83,155.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.