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Finding the Fourth Proportional to 155,295.40, 232,721.70 and 88,594.60

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Solution

The fourth proportional to 155,295.40, 232,721.70 and 88,594.60 is: 132,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,295.40 : 232,721.70 = 88,594.60 : x
  2. Step 2: Convert to fraction form
    155,295.40/232,721.70 = 88,594.60/x
  3. Step 3: Cross multiply
    155,295.40x = 232,721.70 × 88,594.60
  4. Step 4: Simplify right side
    155,295.40x = 20,617,885,922.82
  5. Step 5: Solve for x
    x = 20,617,885,922.82/155,295.40
  6. Step 6: Final answer
    x = 132,765.59

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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.