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Finding the Fourth Proportional to 92,655.16, 127,864.92 and 54,404.80

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Solution

The fourth proportional to 92,655.16, 127,864.92 and 54,404.80 is: 75,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,655.16 : 127,864.92 = 54,404.80 : x
  2. Step 2: Convert to fraction form
    92,655.16/127,864.92 = 54,404.80/x
  3. Step 3: Cross multiply
    92,655.16x = 127,864.92 × 54,404.80
  4. Step 4: Simplify right side
    92,655.16x = 6,956,465,399.62
  5. Step 5: Solve for x
    x = 6,956,465,399.62/92,655.16
  6. Step 6: Final answer
    x = 75,079.09

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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.