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Finding the Fourth Proportional to 160,136.58, 220,986.08 and 88,515.02

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Solution

The fourth proportional to 160,136.58, 220,986.08 and 88,515.02 is: 122,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,136.58 : 220,986.08 = 88,515.02 : x
  2. Step 2: Convert to fraction form
    160,136.58/220,986.08 = 88,515.02/x
  3. Step 3: Cross multiply
    160,136.58x = 220,986.08 × 88,515.02
  4. Step 4: Simplify right side
    160,136.58x = 19,560,587,290.92
  5. Step 5: Solve for x
    x = 19,560,587,290.92/160,136.58
  6. Step 6: Final answer
    x = 122,149.40

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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.