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Finding the Fourth Proportional to 295,056.60, 442,074.60 and 136,960.80

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Solution

The fourth proportional to 295,056.60, 442,074.60 and 136,960.80 is: 205,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,056.60 : 442,074.60 = 136,960.80 : x
  2. Step 2: Convert to fraction form
    295,056.60/442,074.60 = 136,960.80/x
  3. Step 3: Cross multiply
    295,056.60x = 442,074.60 × 136,960.80
  4. Step 4: Simplify right side
    295,056.60x = 60,546,890,875.68
  5. Step 5: Solve for x
    x = 60,546,890,875.68/295,056.60
  6. Step 6: Final answer
    x = 205,204.33

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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.