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Finding the Fourth Proportional to 334,447.80, 501,671.70 and 109,842.90

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Solution

The fourth proportional to 334,447.80, 501,671.70 and 109,842.90 is: 164,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,447.80 : 501,671.70 = 109,842.90 : x
  2. Step 2: Convert to fraction form
    334,447.80/501,671.70 = 109,842.90/x
  3. Step 3: Cross multiply
    334,447.80x = 501,671.70 × 109,842.90
  4. Step 4: Simplify right side
    334,447.80x = 55,105,074,375.93
  5. Step 5: Solve for x
    x = 55,105,074,375.93/334,447.80
  6. Step 6: Final answer
    x = 164,764.35

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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.