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Finding the Fourth Proportional to 160,085.76, 220,922.78 and 88,470.28

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Solution

The fourth proportional to 160,085.76, 220,922.78 and 88,470.28 is: 122,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,085.76 : 220,922.78 = 88,470.28 : x
  2. Step 2: Convert to fraction form
    160,085.76/220,922.78 = 88,470.28/x
  3. Step 3: Cross multiply
    160,085.76x = 220,922.78 × 88,470.28
  4. Step 4: Simplify right side
    160,085.76x = 19,545,100,204.98
  5. Step 5: Solve for x
    x = 19,545,100,204.98/160,085.76
  6. Step 6: Final answer
    x = 122,091.44

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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.