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Finding the Fourth Proportional to 155,300.40, 232,729.20 and 88,599.60

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Solution

The fourth proportional to 155,300.40, 232,729.20 and 88,599.60 is: 132,773.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,300.40 : 232,729.20 = 88,599.60 : x
  2. Step 2: Convert to fraction form
    155,300.40/232,729.20 = 88,599.60/x
  3. Step 3: Cross multiply
    155,300.40x = 232,729.20 × 88,599.60
  4. Step 4: Simplify right side
    155,300.40x = 20,619,714,028.32
  5. Step 5: Solve for x
    x = 20,619,714,028.32/155,300.40
  6. Step 6: Final answer
    x = 132,773.09

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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.