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Finding the Fourth Proportional to 90,383.67, 124,732.71 and 54,566.73

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Solution

The fourth proportional to 90,383.67, 124,732.71 and 54,566.73 is: 75,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,383.67 : 124,732.71 = 54,566.73 : x
  2. Step 2: Convert to fraction form
    90,383.67/124,732.71 = 54,566.73/x
  3. Step 3: Cross multiply
    90,383.67x = 124,732.71 × 54,566.73
  4. Step 4: Simplify right side
    90,383.67x = 6,806,256,108.74
  5. Step 5: Solve for x
    x = 6,806,256,108.74/90,383.67
  6. Step 6: Final answer
    x = 75,304.05

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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.