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Finding the Fourth Proportional to 295,252.40, 442,878.60 and 108,239.60

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Solution

The fourth proportional to 295,252.40, 442,878.60 and 108,239.60 is: 162,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,252.40 : 442,878.60 = 108,239.60 : x
  2. Step 2: Convert to fraction form
    295,252.40/442,878.60 = 108,239.60/x
  3. Step 3: Cross multiply
    295,252.40x = 442,878.60 × 108,239.60
  4. Step 4: Simplify right side
    295,252.40x = 47,937,002,512.56
  5. Step 5: Solve for x
    x = 47,937,002,512.56/295,252.40
  6. Step 6: Final answer
    x = 162,359.40

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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.