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Finding the Fourth Proportional to 295,356.16, 442,760.64 and 117,819.52

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Solution

The fourth proportional to 295,356.16, 442,760.64 and 117,819.52 is: 176,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,356.16 : 442,760.64 = 117,819.52 : x
  2. Step 2: Convert to fraction form
    295,356.16/442,760.64 = 117,819.52/x
  3. Step 3: Cross multiply
    295,356.16x = 442,760.64 × 117,819.52
  4. Step 4: Simplify right side
    295,356.16x = 52,165,846,079.69
  5. Step 5: Solve for x
    x = 52,165,846,079.69/295,356.16
  6. Step 6: Final answer
    x = 176,620.14

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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.