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Finding the Fourth Proportional to 160,252.16, 240,170.88 and 77,100.80

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Solution

The fourth proportional to 160,252.16, 240,170.88 and 77,100.80 is: 115,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,252.16 : 240,170.88 = 77,100.80 : x
  2. Step 2: Convert to fraction form
    160,252.16/240,170.88 = 77,100.80/x
  3. Step 3: Cross multiply
    160,252.16x = 240,170.88 × 77,100.80
  4. Step 4: Simplify right side
    160,252.16x = 18,517,366,984.70
  5. Step 5: Solve for x
    x = 18,517,366,984.70/160,252.16
  6. Step 6: Final answer
    x = 115,551.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.