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Finding the Fourth Proportional to 319,754.08, 479,631.14 and 95,117.73

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Solution

The fourth proportional to 319,754.08, 479,631.14 and 95,117.73 is: 142,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,754.08 : 479,631.14 = 95,117.73 : x
  2. Step 2: Convert to fraction form
    319,754.08/479,631.14 = 95,117.73/x
  3. Step 3: Cross multiply
    319,754.08x = 479,631.14 × 95,117.73
  4. Step 4: Simplify right side
    319,754.08x = 45,621,423,356.60
  5. Step 5: Solve for x
    x = 45,621,423,356.60/319,754.08
  6. Step 6: Final answer
    x = 142,676.59

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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.