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Finding the Fourth Proportional to 110,689.38, 152,751.15 and 60,388.38

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Solution

The fourth proportional to 110,689.38, 152,751.15 and 60,388.38 is: 83,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,689.38 : 152,751.15 = 60,388.38 : x
  2. Step 2: Convert to fraction form
    110,689.38/152,751.15 = 60,388.38/x
  3. Step 3: Cross multiply
    110,689.38x = 152,751.15 × 60,388.38
  4. Step 4: Simplify right side
    110,689.38x = 9,224,394,491.64
  5. Step 5: Solve for x
    x = 9,224,394,491.64/110,689.38
  6. Step 6: Final answer
    x = 83,335.86

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1.5x scale

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.