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Finding the Fourth Proportional to 168,034.30, 251,459.12 and 104,884.07

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Solution

The fourth proportional to 168,034.30, 251,459.12 and 104,884.07 is: 156,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,034.30 : 251,459.12 = 104,884.07 : x
  2. Step 2: Convert to fraction form
    168,034.30/251,459.12 = 104,884.07/x
  3. Step 3: Cross multiply
    168,034.30x = 251,459.12 × 104,884.07
  4. Step 4: Simplify right side
    168,034.30x = 26,374,054,949.13
  5. Step 5: Solve for x
    x = 26,374,054,949.13/168,034.30
  6. Step 6: Final answer
    x = 156,956.38

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1.5x scale

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.