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Finding the Fourth Proportional to 84,073.68, 126,130.50 and 24,102.90

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Solution

The fourth proportional to 84,073.68, 126,130.50 and 24,102.90 is: 36,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,073.68 : 126,130.50 = 24,102.90 : x
  2. Step 2: Convert to fraction form
    84,073.68/126,130.50 = 24,102.90/x
  3. Step 3: Cross multiply
    84,073.68x = 126,130.50 × 24,102.90
  4. Step 4: Simplify right side
    84,073.68x = 3,040,110,828.45
  5. Step 5: Solve for x
    x = 3,040,110,828.45/84,073.68
  6. Step 6: Final answer
    x = 36,160.08

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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.