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Finding the Fourth Proportional to 160,321.44, 240,479.72 and 55,141.32

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Solution

The fourth proportional to 160,321.44, 240,479.72 and 55,141.32 is: 82,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,321.44 : 240,479.72 = 55,141.32 : x
  2. Step 2: Convert to fraction form
    160,321.44/240,479.72 = 55,141.32/x
  3. Step 3: Cross multiply
    160,321.44x = 240,479.72 × 55,141.32
  4. Step 4: Simplify right side
    160,321.44x = 13,260,369,194.03
  5. Step 5: Solve for x
    x = 13,260,369,194.03/160,321.44
  6. Step 6: Final answer
    x = 82,711.14

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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.