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Finding the Fourth Proportional to 262,091.16, 361,675.08 and 147,366.54

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Solution

The fourth proportional to 262,091.16, 361,675.08 and 147,366.54 is: 203,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,091.16 : 361,675.08 = 147,366.54 : x
  2. Step 2: Convert to fraction form
    262,091.16/361,675.08 = 147,366.54/x
  3. Step 3: Cross multiply
    262,091.16x = 361,675.08 × 147,366.54
  4. Step 4: Simplify right side
    262,091.16x = 53,298,805,143.82
  5. Step 5: Solve for x
    x = 53,298,805,143.82/262,091.16
  6. Step 6: Final answer
    x = 203,359.80

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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.