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Finding the Fourth Proportional to 367,080.60, 550,620.90 and 117,787.80

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Solution

The fourth proportional to 367,080.60, 550,620.90 and 117,787.80 is: 176,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,080.60 : 550,620.90 = 117,787.80 : x
  2. Step 2: Convert to fraction form
    367,080.60/550,620.90 = 117,787.80/x
  3. Step 3: Cross multiply
    367,080.60x = 550,620.90 × 117,787.80
  4. Step 4: Simplify right side
    367,080.60x = 64,856,424,445.02
  5. Step 5: Solve for x
    x = 64,856,424,445.02/367,080.60
  6. Step 6: Final answer
    x = 176,681.70

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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.