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Finding the Fourth Proportional to 160,080.48, 220,913.64 and 88,460.40

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Solution

The fourth proportional to 160,080.48, 220,913.64 and 88,460.40 is: 122,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,080.48 : 220,913.64 = 88,460.40 : x
  2. Step 2: Convert to fraction form
    160,080.48/220,913.64 = 88,460.40/x
  3. Step 3: Cross multiply
    160,080.48x = 220,913.64 × 88,460.40
  4. Step 4: Simplify right side
    160,080.48x = 19,542,108,959.86
  5. Step 5: Solve for x
    x = 19,542,108,959.86/160,080.48
  6. Step 6: Final answer
    x = 122,076.78

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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.