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Finding the Fourth Proportional to 160,136.33, 220,979.50 and 88,512.08

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Solution

The fourth proportional to 160,136.33, 220,979.50 and 88,512.08 is: 122,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,136.33 : 220,979.50 = 88,512.08 : x
  2. Step 2: Convert to fraction form
    160,136.33/220,979.50 = 88,512.08/x
  3. Step 3: Cross multiply
    160,136.33x = 220,979.50 × 88,512.08
  4. Step 4: Simplify right side
    160,136.33x = 19,559,355,182.36
  5. Step 5: Solve for x
    x = 19,559,355,182.36/160,136.33
  6. Step 6: Final answer
    x = 122,141.90

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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.