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Finding the Fourth Proportional to 262,041.43, 361,630.01 and 147,356.18

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Solution

The fourth proportional to 262,041.43, 361,630.01 and 147,356.18 is: 203,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,041.43 : 361,630.01 = 147,356.18 : x
  2. Step 2: Convert to fraction form
    262,041.43/361,630.01 = 147,356.18/x
  3. Step 3: Cross multiply
    262,041.43x = 361,630.01 × 147,356.18
  4. Step 4: Simplify right side
    262,041.43x = 53,288,416,846.96
  5. Step 5: Solve for x
    x = 53,288,416,846.96/262,041.43
  6. Step 6: Final answer
    x = 203,358.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.