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Finding the Fourth Proportional to 160,398.87, 240,909.69 and 118,111.94

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Solution

The fourth proportional to 160,398.87, 240,909.69 and 118,111.94 is: 177,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,398.87 : 240,909.69 = 118,111.94 : x
  2. Step 2: Convert to fraction form
    160,398.87/240,909.69 = 118,111.94/x
  3. Step 3: Cross multiply
    160,398.87x = 240,909.69 × 118,111.94
  4. Step 4: Simplify right side
    160,398.87x = 28,454,310,850.70
  5. Step 5: Solve for x
    x = 28,454,310,850.70/160,398.87
  6. Step 6: Final answer
    x = 177,397.20

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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.