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Finding the Fourth Proportional to 126,753.16, 174,958.23 and 73,073.98

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Solution

The fourth proportional to 126,753.16, 174,958.23 and 73,073.98 is: 100,864.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,753.16 : 174,958.23 = 73,073.98 : x
  2. Step 2: Convert to fraction form
    126,753.16/174,958.23 = 73,073.98/x
  3. Step 3: Cross multiply
    126,753.16x = 174,958.23 × 73,073.98
  4. Step 4: Simplify right side
    126,753.16x = 12,784,894,199.86
  5. Step 5: Solve for x
    x = 12,784,894,199.86/126,753.16
  6. Step 6: Final answer
    x = 100,864.50

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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.