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Finding the Fourth Proportional to 79,403.28, 119,124.90 and 35,042.28

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Solution

The fourth proportional to 79,403.28, 119,124.90 and 35,042.28 is: 52,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,403.28 : 119,124.90 = 35,042.28 : x
  2. Step 2: Convert to fraction form
    79,403.28/119,124.90 = 35,042.28/x
  3. Step 3: Cross multiply
    79,403.28x = 119,124.90 × 35,042.28
  4. Step 4: Simplify right side
    79,403.28x = 4,174,408,100.77
  5. Step 5: Solve for x
    x = 4,174,408,100.77/79,403.28
  6. Step 6: Final answer
    x = 52,572.24

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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.