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Finding the Fourth Proportional to 92,451.35, 127,542.35 and 54,191.51

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Solution

The fourth proportional to 92,451.35, 127,542.35 and 54,191.51 is: 74,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,451.35 : 127,542.35 = 54,191.51 : x
  2. Step 2: Convert to fraction form
    92,451.35/127,542.35 = 54,191.51/x
  3. Step 3: Cross multiply
    92,451.35x = 127,542.35 × 54,191.51
  4. Step 4: Simplify right side
    92,451.35x = 6,911,711,626.78
  5. Step 5: Solve for x
    x = 6,911,711,626.78/92,451.35
  6. Step 6: Final answer
    x = 74,760.52

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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.