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Finding the Fourth Proportional to 111,230.76, 153,498.96 and 60,929.76

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Solution

The fourth proportional to 111,230.76, 153,498.96 and 60,929.76 is: 84,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,230.76 : 153,498.96 = 60,929.76 : x
  2. Step 2: Convert to fraction form
    111,230.76/153,498.96 = 60,929.76/x
  3. Step 3: Cross multiply
    111,230.76x = 153,498.96 × 60,929.76
  4. Step 4: Simplify right side
    111,230.76x = 9,352,654,793.05
  5. Step 5: Solve for x
    x = 9,352,654,793.05/111,230.76
  6. Step 6: Final answer
    x = 84,083.35

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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.