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Finding the Fourth Proportional to 66,874.20, 100,302.12 and 46,822.92

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Solution

The fourth proportional to 66,874.20, 100,302.12 and 46,822.92 is: 70,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,874.20 : 100,302.12 = 46,822.92 : x
  2. Step 2: Convert to fraction form
    66,874.20/100,302.12 = 46,822.92/x
  3. Step 3: Cross multiply
    66,874.20x = 100,302.12 × 46,822.92
  4. Step 4: Simplify right side
    66,874.20x = 4,696,438,140.59
  5. Step 5: Solve for x
    x = 4,696,438,140.59/66,874.20
  6. Step 6: Final answer
    x = 70,227.95

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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.