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Finding the Fourth Proportional to 168,109.60, 252,164.40 and 62,914.90

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Solution

The fourth proportional to 168,109.60, 252,164.40 and 62,914.90 is: 94,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,109.60 : 252,164.40 = 62,914.90 : x
  2. Step 2: Convert to fraction form
    168,109.60/252,164.40 = 62,914.90/x
  3. Step 3: Cross multiply
    168,109.60x = 252,164.40 × 62,914.90
  4. Step 4: Simplify right side
    168,109.60x = 15,864,898,009.56
  5. Step 5: Solve for x
    x = 15,864,898,009.56/168,109.60
  6. Step 6: Final answer
    x = 94,372.35

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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.