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Finding the Fourth Proportional to 160,139.31, 240,218.88 and 53,532.86

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Solution

The fourth proportional to 160,139.31, 240,218.88 and 53,532.86 is: 80,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,139.31 : 240,218.88 = 53,532.86 : x
  2. Step 2: Convert to fraction form
    160,139.31/240,218.88 = 53,532.86/x
  3. Step 3: Cross multiply
    160,139.31x = 240,218.88 × 53,532.86
  4. Step 4: Simplify right side
    160,139.31x = 12,859,603,404.73
  5. Step 5: Solve for x
    x = 12,859,603,404.73/160,139.31
  6. Step 6: Final answer
    x = 80,302.60

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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.