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Finding the Fourth Proportional to 119,773.48, 165,281.28 and 68,750.77

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Solution

The fourth proportional to 119,773.48, 165,281.28 and 68,750.77 is: 94,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,773.48 : 165,281.28 = 68,750.77 : x
  2. Step 2: Convert to fraction form
    119,773.48/165,281.28 = 68,750.77/x
  3. Step 3: Cross multiply
    119,773.48x = 165,281.28 × 68,750.77
  4. Step 4: Simplify right side
    119,773.48x = 11,363,215,266.59
  5. Step 5: Solve for x
    x = 11,363,215,266.59/119,773.48
  6. Step 6: Final answer
    x = 94,872.55

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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.