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Finding the Fourth Proportional to 228,312.92, 342,471.72 and 101,959.59

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Solution

The fourth proportional to 228,312.92, 342,471.72 and 101,959.59 is: 152,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,312.92 : 342,471.72 = 101,959.59 : x
  2. Step 2: Convert to fraction form
    228,312.92/342,471.72 = 101,959.59/x
  3. Step 3: Cross multiply
    228,312.92x = 342,471.72 × 101,959.59
  4. Step 4: Simplify right side
    228,312.92x = 34,918,276,157.79
  5. Step 5: Solve for x
    x = 34,918,276,157.79/228,312.92
  6. Step 6: Final answer
    x = 152,940.43

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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.