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Finding the Fourth Proportional to 261,685.88, 361,125.48 and 146,948.56

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Solution

The fourth proportional to 261,685.88, 361,125.48 and 146,948.56 is: 202,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,685.88 : 361,125.48 = 146,948.56 : x
  2. Step 2: Convert to fraction form
    261,685.88/361,125.48 = 146,948.56/x
  3. Step 3: Cross multiply
    261,685.88x = 361,125.48 × 146,948.56
  4. Step 4: Simplify right side
    261,685.88x = 53,066,869,265.31
  5. Step 5: Solve for x
    x = 53,066,869,265.31/261,685.88
  6. Step 6: Final answer
    x = 202,788.43

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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.