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Finding the Fourth Proportional to 160,116.94, 220,972.82 and 88,495.41

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Solution

The fourth proportional to 160,116.94, 220,972.82 and 88,495.41 is: 122,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,116.94 : 220,972.82 = 88,495.41 : x
  2. Step 2: Convert to fraction form
    160,116.94/220,972.82 = 88,495.41/x
  3. Step 3: Cross multiply
    160,116.94x = 220,972.82 × 88,495.41
  4. Step 4: Simplify right side
    160,116.94x = 19,555,080,304.76
  5. Step 5: Solve for x
    x = 19,555,080,304.76/160,116.94
  6. Step 6: Final answer
    x = 122,129.99

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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.