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Finding the Fourth Proportional to 160,135.01, 240,288.17 and 103,961.91

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Solution

The fourth proportional to 160,135.01, 240,288.17 and 103,961.91 is: 155,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,135.01 : 240,288.17 = 103,961.91 : x
  2. Step 2: Convert to fraction form
    160,135.01/240,288.17 = 103,961.91/x
  3. Step 3: Cross multiply
    160,135.01x = 240,288.17 × 103,961.91
  4. Step 4: Simplify right side
    160,135.01x = 24,980,816,583.80
  5. Step 5: Solve for x
    x = 24,980,816,583.80/160,135.01
  6. Step 6: Final answer
    x = 155,998.48

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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.