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Finding the Fourth Proportional to 155,651.70, 233,103.33 and 88,889.46

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Solution

The fourth proportional to 155,651.70, 233,103.33 and 88,889.46 is: 133,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,651.70 : 233,103.33 = 88,889.46 : x
  2. Step 2: Convert to fraction form
    155,651.70/233,103.33 = 88,889.46/x
  3. Step 3: Cross multiply
    155,651.70x = 233,103.33 × 88,889.46
  4. Step 4: Simplify right side
    155,651.70x = 20,720,429,127.90
  5. Step 5: Solve for x
    x = 20,720,429,127.90/155,651.70
  6. Step 6: Final answer
    x = 133,120.48

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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.