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Finding the Fourth Proportional to 90,444.90, 124,797.87 and 54,610.92

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Solution

The fourth proportional to 90,444.90, 124,797.87 and 54,610.92 is: 75,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.90 : 124,797.87 = 54,610.92 : x
  2. Step 2: Convert to fraction form
    90,444.90/124,797.87 = 54,610.92/x
  3. Step 3: Cross multiply
    90,444.90x = 124,797.87 × 54,610.92
  4. Step 4: Simplify right side
    90,444.90x = 6,815,326,494.74
  5. Step 5: Solve for x
    x = 6,815,326,494.74/90,444.90
  6. Step 6: Final answer
    x = 75,353.35

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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.