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Finding the Fourth Proportional to 168,275.60, 252,339.48 and 63,020.80

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Solution

The fourth proportional to 168,275.60, 252,339.48 and 63,020.80 is: 94,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,275.60 : 252,339.48 = 63,020.80 : x
  2. Step 2: Convert to fraction form
    168,275.60/252,339.48 = 63,020.80/x
  3. Step 3: Cross multiply
    168,275.60x = 252,339.48 × 63,020.80
  4. Step 4: Simplify right side
    168,275.60x = 15,902,635,901.18
  5. Step 5: Solve for x
    x = 15,902,635,901.18/168,275.60
  6. Step 6: Final answer
    x = 94,503.52

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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.