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Finding the Fourth Proportional to 160,063.52, 220,250.22 and 155,193.80

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Solution

The fourth proportional to 160,063.52, 220,250.22 and 155,193.80 is: 213,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,063.52 : 220,250.22 = 155,193.80 : x
  2. Step 2: Convert to fraction form
    160,063.52/220,250.22 = 155,193.80/x
  3. Step 3: Cross multiply
    160,063.52x = 220,250.22 × 155,193.80
  4. Step 4: Simplify right side
    160,063.52x = 34,181,468,592.64
  5. Step 5: Solve for x
    x = 34,181,468,592.64/160,063.52
  6. Step 6: Final answer
    x = 213,549.40

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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.