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Finding the Fourth Proportional to 158,876.82, 238,315.12 and 40,548.20

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Solution

The fourth proportional to 158,876.82, 238,315.12 and 40,548.20 is: 60,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,876.82 : 238,315.12 = 40,548.20 : x
  2. Step 2: Convert to fraction form
    158,876.82/238,315.12 = 40,548.20/x
  3. Step 3: Cross multiply
    158,876.82x = 238,315.12 × 40,548.20
  4. Step 4: Simplify right side
    158,876.82x = 9,663,249,148.78
  5. Step 5: Solve for x
    x = 9,663,249,148.78/158,876.82
  6. Step 6: Final answer
    x = 60,822.27

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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.