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Finding the Fourth Proportional to 168,296.60, 252,319.35 and 101,722.70

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Solution

The fourth proportional to 168,296.60, 252,319.35 and 101,722.70 is: 152,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,296.60 : 252,319.35 = 101,722.70 : x
  2. Step 2: Convert to fraction form
    168,296.60/252,319.35 = 101,722.70/x
  3. Step 3: Cross multiply
    168,296.60x = 252,319.35 × 101,722.70
  4. Step 4: Simplify right side
    168,296.60x = 25,666,605,544.25
  5. Step 5: Solve for x
    x = 25,666,605,544.25/168,296.60
  6. Step 6: Final answer
    x = 152,508.16

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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.