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Finding the Fourth Proportional to 155,230.20, 232,787.70 and 61,716.60

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Solution

The fourth proportional to 155,230.20, 232,787.70 and 61,716.60 is: 92,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,230.20 : 232,787.70 = 61,716.60 : x
  2. Step 2: Convert to fraction form
    155,230.20/232,787.70 = 61,716.60/x
  3. Step 3: Cross multiply
    155,230.20x = 232,787.70 × 61,716.60
  4. Step 4: Simplify right side
    155,230.20x = 14,366,865,365.82
  5. Step 5: Solve for x
    x = 14,366,865,365.82/155,230.20
  6. Step 6: Final answer
    x = 92,552.00

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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.