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Finding the Fourth Proportional to 168,101.12, 252,173.54 and 61,468.47

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Solution

The fourth proportional to 168,101.12, 252,173.54 and 61,468.47 is: 92,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,101.12 : 252,173.54 = 61,468.47 : x
  2. Step 2: Convert to fraction form
    168,101.12/252,173.54 = 61,468.47/x
  3. Step 3: Cross multiply
    168,101.12x = 252,173.54 × 61,468.47
  4. Step 4: Simplify right side
    168,101.12x = 15,500,721,678.28
  5. Step 5: Solve for x
    x = 15,500,721,678.28/168,101.12
  6. Step 6: Final answer
    x = 92,210.70

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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.