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Finding the Fourth Proportional to 159,368.40, 239,052.76 and 41,040

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Solution

The fourth proportional to 159,368.40, 239,052.76 and 41,040 is: 61,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,368.40 : 239,052.76 = 41,040 : x
  2. Step 2: Convert to fraction form
    159,368.40/239,052.76 = 41,040/x
  3. Step 3: Cross multiply
    159,368.40x = 239,052.76 × 41,040
  4. Step 4: Simplify right side
    159,368.40x = 9,810,725,270.40
  5. Step 5: Solve for x
    x = 9,810,725,270.40/159,368.40
  6. Step 6: Final answer
    x = 61,560.04

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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.