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Finding the Fourth Proportional to 160,604.54, 221,625 and 88,980.29

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Solution

The fourth proportional to 160,604.54, 221,625 and 88,980.29 is: 122,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,604.54 : 221,625 = 88,980.29 : x
  2. Step 2: Convert to fraction form
    160,604.54/221,625 = 88,980.29/x
  3. Step 3: Cross multiply
    160,604.54x = 221,625 × 88,980.29
  4. Step 4: Simplify right side
    160,604.54x = 19,720,255,663.13
  5. Step 5: Solve for x
    x = 19,720,255,663.13/160,604.54
  6. Step 6: Final answer
    x = 122,787.66

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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.