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Finding the Fourth Proportional to 169,463.34, 254,188.62 and 51,131.52

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Solution

The fourth proportional to 169,463.34, 254,188.62 and 51,131.52 is: 76,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,463.34 : 254,188.62 = 51,131.52 : x
  2. Step 2: Convert to fraction form
    169,463.34/254,188.62 = 51,131.52/x
  3. Step 3: Cross multiply
    169,463.34x = 254,188.62 × 51,131.52
  4. Step 4: Simplify right side
    169,463.34x = 12,997,050,507.30
  5. Step 5: Solve for x
    x = 12,997,050,507.30/169,463.34
  6. Step 6: Final answer
    x = 76,695.35

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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.