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Finding the Fourth Proportional to 313,292.60, 469,957.01 and 88,634.22

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Solution

The fourth proportional to 313,292.60, 469,957.01 and 88,634.22 is: 132,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,292.60 : 469,957.01 = 88,634.22 : x
  2. Step 2: Convert to fraction form
    313,292.60/469,957.01 = 88,634.22/x
  3. Step 3: Cross multiply
    313,292.60x = 469,957.01 × 88,634.22
  4. Step 4: Simplify right side
    313,292.60x = 41,654,273,014.88
  5. Step 5: Solve for x
    x = 41,654,273,014.88/313,292.60
  6. Step 6: Final answer
    x = 132,956.45

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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.