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Finding the Fourth Proportional to 160,151.31, 240,078.40 and 75,950.87

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Solution

The fourth proportional to 160,151.31, 240,078.40 and 75,950.87 is: 113,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,151.31 : 240,078.40 = 75,950.87 : x
  2. Step 2: Convert to fraction form
    160,151.31/240,078.40 = 75,950.87/x
  3. Step 3: Cross multiply
    160,151.31x = 240,078.40 × 75,950.87
  4. Step 4: Simplify right side
    160,151.31x = 18,234,161,957.94
  5. Step 5: Solve for x
    x = 18,234,161,957.94/160,151.31
  6. Step 6: Final answer
    x = 113,855.84

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1.5x scale

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.