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Finding the Fourth Proportional to 295,013.60, 442,520.40 and 126,614.60

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Solution

The fourth proportional to 295,013.60, 442,520.40 and 126,614.60 is: 189,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,013.60 : 442,520.40 = 126,614.60 : x
  2. Step 2: Convert to fraction form
    295,013.60/442,520.40 = 126,614.60/x
  3. Step 3: Cross multiply
    295,013.60x = 442,520.40 × 126,614.60
  4. Step 4: Simplify right side
    295,013.60x = 56,029,543,437.84
  5. Step 5: Solve for x
    x = 56,029,543,437.84/295,013.60
  6. Step 6: Final answer
    x = 189,921.90

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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.