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Finding the Fourth Proportional to 160,239.88, 240,342.52 and 53,611.76

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Solution

The fourth proportional to 160,239.88, 240,342.52 and 53,611.76 is: 80,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,239.88 : 240,342.52 = 53,611.76 : x
  2. Step 2: Convert to fraction form
    160,239.88/240,342.52 = 53,611.76/x
  3. Step 3: Cross multiply
    160,239.88x = 240,342.52 × 53,611.76
  4. Step 4: Simplify right side
    160,239.88x = 12,885,185,500.04
  5. Step 5: Solve for x
    x = 12,885,185,500.04/160,239.88
  6. Step 6: Final answer
    x = 80,411.85

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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.