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Finding the Fourth Proportional to 155,451.80, 233,273.70 and 61,947.80

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Solution

The fourth proportional to 155,451.80, 233,273.70 and 61,947.80 is: 92,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,451.80 : 233,273.70 = 61,947.80 : x
  2. Step 2: Convert to fraction form
    155,451.80/233,273.70 = 61,947.80/x
  3. Step 3: Cross multiply
    155,451.80x = 233,273.70 × 61,947.80
  4. Step 4: Simplify right side
    155,451.80x = 14,450,792,512.86
  5. Step 5: Solve for x
    x = 14,450,792,512.86/155,451.80
  6. Step 6: Final answer
    x = 92,959.96

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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.