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Finding the Fourth Proportional to 160,244.40, 240,301.80 and 55,009.20

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Solution

The fourth proportional to 160,244.40, 240,301.80 and 55,009.20 is: 82,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,244.40 : 240,301.80 = 55,009.20 : x
  2. Step 2: Convert to fraction form
    160,244.40/240,301.80 = 55,009.20/x
  3. Step 3: Cross multiply
    160,244.40x = 240,301.80 × 55,009.20
  4. Step 4: Simplify right side
    160,244.40x = 13,218,809,776.56
  5. Step 5: Solve for x
    x = 13,218,809,776.56/160,244.40
  6. Step 6: Final answer
    x = 82,491.56

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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.