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Finding the Fourth Proportional to 155,080.72, 232,621.02 and 44,272.72

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Solution

The fourth proportional to 155,080.72, 232,621.02 and 44,272.72 is: 66,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,080.72 : 232,621.02 = 44,272.72 : x
  2. Step 2: Convert to fraction form
    155,080.72/232,621.02 = 44,272.72/x
  3. Step 3: Cross multiply
    155,080.72x = 232,621.02 × 44,272.72
  4. Step 4: Simplify right side
    155,080.72x = 10,298,765,284.57
  5. Step 5: Solve for x
    x = 10,298,765,284.57/155,080.72
  6. Step 6: Final answer
    x = 66,409.06

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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.