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Finding the Fourth Proportional to 99,294.76, 137,026.76 and 54,582.76

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Solution

The fourth proportional to 99,294.76, 137,026.76 and 54,582.76 is: 75,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,294.76 : 137,026.76 = 54,582.76 : x
  2. Step 2: Convert to fraction form
    99,294.76/137,026.76 = 54,582.76/x
  3. Step 3: Cross multiply
    99,294.76x = 137,026.76 × 54,582.76
  4. Step 4: Simplify right side
    99,294.76x = 7,479,298,754.66
  5. Step 5: Solve for x
    x = 7,479,298,754.66/99,294.76
  6. Step 6: Final answer
    x = 75,324.20

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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.