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Finding the Fourth Proportional to 160,443.57, 240,662.12 and 55,260.21

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Solution

The fourth proportional to 160,443.57, 240,662.12 and 55,260.21 is: 82,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,443.57 : 240,662.12 = 55,260.21 : x
  2. Step 2: Convert to fraction form
    160,443.57/240,662.12 = 55,260.21/x
  3. Step 3: Cross multiply
    160,443.57x = 240,662.12 × 55,260.21
  4. Step 4: Simplify right side
    160,443.57x = 13,299,039,013.94
  5. Step 5: Solve for x
    x = 13,299,039,013.94/160,443.57
  6. Step 6: Final answer
    x = 82,889.20

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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.