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Finding the Fourth Proportional to 194,080.60, 291,023.70 and 88,780.60

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Solution

The fourth proportional to 194,080.60, 291,023.70 and 88,780.60 is: 133,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,080.60 : 291,023.70 = 88,780.60 : x
  2. Step 2: Convert to fraction form
    194,080.60/291,023.70 = 88,780.60/x
  3. Step 3: Cross multiply
    194,080.60x = 291,023.70 × 88,780.60
  4. Step 4: Simplify right side
    194,080.60x = 25,837,258,700.22
  5. Step 5: Solve for x
    x = 25,837,258,700.22/194,080.60
  6. Step 6: Final answer
    x = 133,126.44

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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.