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Finding the Fourth Proportional to 155,287.70, 232,963.95 and 88,673.30

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Solution

The fourth proportional to 155,287.70, 232,963.95 and 88,673.30 is: 133,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,287.70 : 232,963.95 = 88,673.30 : x
  2. Step 2: Convert to fraction form
    155,287.70/232,963.95 = 88,673.30/x
  3. Step 3: Cross multiply
    155,287.70x = 232,963.95 × 88,673.30
  4. Step 4: Simplify right side
    155,287.70x = 20,657,682,227.54
  5. Step 5: Solve for x
    x = 20,657,682,227.54/155,287.70
  6. Step 6: Final answer
    x = 133,028.45

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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.