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Finding the Fourth Proportional to 168,056.70, 252,085.05 and 43,397.70

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Solution

The fourth proportional to 168,056.70, 252,085.05 and 43,397.70 is: 65,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,056.70 : 252,085.05 = 43,397.70 : x
  2. Step 2: Convert to fraction form
    168,056.70/252,085.05 = 43,397.70/x
  3. Step 3: Cross multiply
    168,056.70x = 252,085.05 × 43,397.70
  4. Step 4: Simplify right side
    168,056.70x = 10,939,911,374.39
  5. Step 5: Solve for x
    x = 10,939,911,374.39/168,056.70
  6. Step 6: Final answer
    x = 65,096.55

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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.