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Finding the Fourth Proportional to 295,168.57, 442,784.52 and 81,937.39

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Solution

The fourth proportional to 295,168.57, 442,784.52 and 81,937.39 is: 122,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,168.57 : 442,784.52 = 81,937.39 : x
  2. Step 2: Convert to fraction form
    295,168.57/442,784.52 = 81,937.39/x
  3. Step 3: Cross multiply
    295,168.57x = 442,784.52 × 81,937.39
  4. Step 4: Simplify right side
    295,168.57x = 36,280,607,901.20
  5. Step 5: Solve for x
    x = 36,280,607,901.20/295,168.57
  6. Step 6: Final answer
    x = 122,914.88

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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.