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Finding the Fourth Proportional to 160,118.58, 220,963.68 and 88,498.61

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Solution

The fourth proportional to 160,118.58, 220,963.68 and 88,498.61 is: 122,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,118.58 : 220,963.68 = 88,498.61 : x
  2. Step 2: Convert to fraction form
    160,118.58/220,963.68 = 88,498.61/x
  3. Step 3: Cross multiply
    160,118.58x = 220,963.68 × 88,498.61
  4. Step 4: Simplify right side
    160,118.58x = 19,554,977,435.67
  5. Step 5: Solve for x
    x = 19,554,977,435.67/160,118.58
  6. Step 6: Final answer
    x = 122,128.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.