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Finding the Fourth Proportional to 73,984.76, 102,099.06 and 40,450.76

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Solution

The fourth proportional to 73,984.76, 102,099.06 and 40,450.76 is: 55,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,984.76 : 102,099.06 = 40,450.76 : x
  2. Step 2: Convert to fraction form
    73,984.76/102,099.06 = 40,450.76/x
  3. Step 3: Cross multiply
    73,984.76x = 102,099.06 × 40,450.76
  4. Step 4: Simplify right side
    73,984.76x = 4,129,984,572.29
  5. Step 5: Solve for x
    x = 4,129,984,572.29/73,984.76
  6. Step 6: Final answer
    x = 55,822.10

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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.