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Finding the Fourth Proportional to 119,752.88, 165,290.78 and 70,737.49

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Solution

The fourth proportional to 119,752.88, 165,290.78 and 70,737.49 is: 97,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,752.88 : 165,290.78 = 70,737.49 : x
  2. Step 2: Convert to fraction form
    119,752.88/165,290.78 = 70,737.49/x
  3. Step 3: Cross multiply
    119,752.88x = 165,290.78 × 70,737.49
  4. Step 4: Simplify right side
    119,752.88x = 11,692,253,717.20
  5. Step 5: Solve for x
    x = 11,692,253,717.20/119,752.88
  6. Step 6: Final answer
    x = 97,636.51

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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.