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Finding the Fourth Proportional to 160,381.44, 240,569.64 and 55,201.32

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Solution

The fourth proportional to 160,381.44, 240,569.64 and 55,201.32 is: 82,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,381.44 : 240,569.64 = 55,201.32 : x
  2. Step 2: Convert to fraction form
    160,381.44/240,569.64 = 55,201.32/x
  3. Step 3: Cross multiply
    160,381.44x = 240,569.64 × 55,201.32
  4. Step 4: Simplify right side
    160,381.44x = 13,279,761,679.92
  5. Step 5: Solve for x
    x = 13,279,761,679.92/160,381.44
  6. Step 6: Final answer
    x = 82,801.11

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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.