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Finding the Fourth Proportional to 294,959.20, 442,503.60 and 95,245.60

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Solution

The fourth proportional to 294,959.20, 442,503.60 and 95,245.60 is: 142,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,959.20 : 442,503.60 = 95,245.60 : x
  2. Step 2: Convert to fraction form
    294,959.20/442,503.60 = 95,245.60/x
  3. Step 3: Cross multiply
    294,959.20x = 442,503.60 × 95,245.60
  4. Step 4: Simplify right side
    294,959.20x = 42,146,520,884.16
  5. Step 5: Solve for x
    x = 42,146,520,884.16/294,959.20
  6. Step 6: Final answer
    x = 142,889.32

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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.