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Finding the Fourth Proportional to 77,271.62, 106,627.66 and 43,737.62

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Solution

The fourth proportional to 77,271.62, 106,627.66 and 43,737.62 is: 60,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,271.62 : 106,627.66 = 43,737.62 : x
  2. Step 2: Convert to fraction form
    77,271.62/106,627.66 = 43,737.62/x
  3. Step 3: Cross multiply
    77,271.62x = 106,627.66 × 43,737.62
  4. Step 4: Simplify right side
    77,271.62x = 4,663,639,432.09
  5. Step 5: Solve for x
    x = 4,663,639,432.09/77,271.62
  6. Step 6: Final answer
    x = 60,353.85

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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.