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Finding the Fourth Proportional to 168,776.30, 253,261.65 and 63,670.70

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Solution

The fourth proportional to 168,776.30, 253,261.65 and 63,670.70 is: 95,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,776.30 : 253,261.65 = 63,670.70 : x
  2. Step 2: Convert to fraction form
    168,776.30/253,261.65 = 63,670.70/x
  3. Step 3: Cross multiply
    168,776.30x = 253,261.65 × 63,670.70
  4. Step 4: Simplify right side
    168,776.30x = 16,125,346,538.66
  5. Step 5: Solve for x
    x = 16,125,346,538.66/168,776.30
  6. Step 6: Final answer
    x = 95,542.72

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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.