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Finding the Fourth Proportional to 160,065.96, 220,893 and 88,445.36

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Solution

The fourth proportional to 160,065.96, 220,893 and 88,445.36 is: 122,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,065.96 : 220,893 = 88,445.36 : x
  2. Step 2: Convert to fraction form
    160,065.96/220,893 = 88,445.36/x
  3. Step 3: Cross multiply
    160,065.96x = 220,893 × 88,445.36
  4. Step 4: Simplify right side
    160,065.96x = 19,536,960,906.48
  5. Step 5: Solve for x
    x = 19,536,960,906.48/160,065.96
  6. Step 6: Final answer
    x = 122,055.69

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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.