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Finding the Fourth Proportional to 295,167.60, 442,241.10 and 137,071.80

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Solution

The fourth proportional to 295,167.60, 442,241.10 and 137,071.80 is: 205,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,167.60 : 442,241.10 = 137,071.80 : x
  2. Step 2: Convert to fraction form
    295,167.60/442,241.10 = 137,071.80/x
  3. Step 3: Cross multiply
    295,167.60x = 442,241.10 × 137,071.80
  4. Step 4: Simplify right side
    295,167.60x = 60,618,783,610.98
  5. Step 5: Solve for x
    x = 60,618,783,610.98/295,167.60
  6. Step 6: Final answer
    x = 205,370.72

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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.