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Finding the Fourth Proportional to 131,182.80, 196,871.40 and 52,353.60

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Solution

The fourth proportional to 131,182.80, 196,871.40 and 52,353.60 is: 78,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,182.80 : 196,871.40 = 52,353.60 : x
  2. Step 2: Convert to fraction form
    131,182.80/196,871.40 = 52,353.60/x
  3. Step 3: Cross multiply
    131,182.80x = 196,871.40 × 52,353.60
  4. Step 4: Simplify right side
    131,182.80x = 10,306,926,527.04
  5. Step 5: Solve for x
    x = 10,306,926,527.04/131,182.80
  6. Step 6: Final answer
    x = 78,569.19

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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.