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Finding the Fourth Proportional to 159,041.76, 219,386.12 and 95,342.55

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Solution

The fourth proportional to 159,041.76, 219,386.12 and 95,342.55 is: 131,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,041.76 : 219,386.12 = 95,342.55 : x
  2. Step 2: Convert to fraction form
    159,041.76/219,386.12 = 95,342.55/x
  3. Step 3: Cross multiply
    159,041.76x = 219,386.12 × 95,342.55
  4. Step 4: Simplify right side
    159,041.76x = 20,916,831,638.69
  5. Step 5: Solve for x
    x = 20,916,831,638.69/159,041.76
  6. Step 6: Final answer
    x = 131,517.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.