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Finding the Fourth Proportional to 109,240.68, 150,752.46 and 61,494.76

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Solution

The fourth proportional to 109,240.68, 150,752.46 and 61,494.76 is: 84,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,240.68 : 150,752.46 = 61,494.76 : x
  2. Step 2: Convert to fraction form
    109,240.68/150,752.46 = 61,494.76/x
  3. Step 3: Cross multiply
    109,240.68x = 150,752.46 × 61,494.76
  4. Step 4: Simplify right side
    109,240.68x = 9,270,486,347.11
  5. Step 5: Solve for x
    x = 9,270,486,347.11/109,240.68
  6. Step 6: Final answer
    x = 84,862.95

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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.