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Finding the Fourth Proportional to 83,292, 124,950.99 and 27,118.85

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Solution

The fourth proportional to 83,292, 124,950.99 and 27,118.85 is: 40,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,292 : 124,950.99 = 27,118.85 : x
  2. Step 2: Convert to fraction form
    83,292/124,950.99 = 27,118.85/x
  3. Step 3: Cross multiply
    83,292x = 124,950.99 × 27,118.85
  4. Step 4: Simplify right side
    83,292x = 3,388,526,530.41
  5. Step 5: Solve for x
    x = 3,388,526,530.41/83,292
  6. Step 6: Final answer
    x = 40,682.50

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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.