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Finding the Fourth Proportional to 160,103.80, 240,160.56 and 54,921.28

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Solution

The fourth proportional to 160,103.80, 240,160.56 and 54,921.28 is: 82,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103.80 : 240,160.56 = 54,921.28 : x
  2. Step 2: Convert to fraction form
    160,103.80/240,160.56 = 54,921.28/x
  3. Step 3: Cross multiply
    160,103.80x = 240,160.56 × 54,921.28
  4. Step 4: Simplify right side
    160,103.80x = 13,189,925,360.72
  5. Step 5: Solve for x
    x = 13,189,925,360.72/160,103.80
  6. Step 6: Final answer
    x = 82,383.59

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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.