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Finding the Fourth Proportional to 319,670.74, 479,463.45 and 95,026.96

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Solution

The fourth proportional to 319,670.74, 479,463.45 and 95,026.96 is: 142,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,670.74 : 479,463.45 = 95,026.96 : x
  2. Step 2: Convert to fraction form
    319,670.74/479,463.45 = 95,026.96/x
  3. Step 3: Cross multiply
    319,670.74x = 479,463.45 × 95,026.96
  4. Step 4: Simplify right side
    319,670.74x = 45,561,954,084.61
  5. Step 5: Solve for x
    x = 45,561,954,084.61/319,670.74
  6. Step 6: Final answer
    x = 142,527.76

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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.