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Finding the Fourth Proportional to 228,312.88, 342,471.68 and 101,959.56

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Solution

The fourth proportional to 228,312.88, 342,471.68 and 101,959.56 is: 152,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,312.88 : 342,471.68 = 101,959.56 : x
  2. Step 2: Convert to fraction form
    228,312.88/342,471.68 = 101,959.56/x
  3. Step 3: Cross multiply
    228,312.88x = 342,471.68 × 101,959.56
  4. Step 4: Simplify right side
    228,312.88x = 34,918,261,805.26
  5. Step 5: Solve for x
    x = 34,918,261,805.26/228,312.88
  6. Step 6: Final answer
    x = 152,940.39

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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.