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Finding the Fourth Proportional to 261,527.44, 392,442.51 and 109,710.92

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Solution

The fourth proportional to 261,527.44, 392,442.51 and 109,710.92 is: 164,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,527.44 : 392,442.51 = 109,710.92 : x
  2. Step 2: Convert to fraction form
    261,527.44/392,442.51 = 109,710.92/x
  3. Step 3: Cross multiply
    261,527.44x = 392,442.51 × 109,710.92
  4. Step 4: Simplify right side
    261,527.44x = 43,055,228,819.21
  5. Step 5: Solve for x
    x = 43,055,228,819.21/261,527.44
  6. Step 6: Final answer
    x = 164,629.87

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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.