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Finding the Fourth Proportional to 159,950.52, 239,918.49 and 53,326.98

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Solution

The fourth proportional to 159,950.52, 239,918.49 and 53,326.98 is: 79,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,950.52 : 239,918.49 = 53,326.98 : x
  2. Step 2: Convert to fraction form
    159,950.52/239,918.49 = 53,326.98/x
  3. Step 3: Cross multiply
    159,950.52x = 239,918.49 × 53,326.98
  4. Step 4: Simplify right side
    159,950.52x = 12,794,128,517.86
  5. Step 5: Solve for x
    x = 12,794,128,517.86/159,950.52
  6. Step 6: Final answer
    x = 79,988.04

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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.