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Finding the Fourth Proportional to 99,726.80, 149,590.20 and 62,329.10

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Solution

The fourth proportional to 99,726.80, 149,590.20 and 62,329.10 is: 93,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,726.80 : 149,590.20 = 62,329.10 : x
  2. Step 2: Convert to fraction form
    99,726.80/149,590.20 = 62,329.10/x
  3. Step 3: Cross multiply
    99,726.80x = 149,590.20 × 62,329.10
  4. Step 4: Simplify right side
    99,726.80x = 9,323,822,534.82
  5. Step 5: Solve for x
    x = 9,323,822,534.82/99,726.80
  6. Step 6: Final answer
    x = 93,493.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.