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Finding the Fourth Proportional to 77,096.76, 106,363.50 and 48,404.22

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Solution

The fourth proportional to 77,096.76, 106,363.50 and 48,404.22 is: 66,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,096.76 : 106,363.50 = 48,404.22 : x
  2. Step 2: Convert to fraction form
    77,096.76/106,363.50 = 48,404.22/x
  3. Step 3: Cross multiply
    77,096.76x = 106,363.50 × 48,404.22
  4. Step 4: Simplify right side
    77,096.76x = 5,148,442,253.97
  5. Step 5: Solve for x
    x = 5,148,442,253.97/77,096.76
  6. Step 6: Final answer
    x = 66,778.97

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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.