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Finding the Fourth Proportional to 194,500.60, 291,750.90 and 193,271.80

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Solution

The fourth proportional to 194,500.60, 291,750.90 and 193,271.80 is: 289,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,500.60 : 291,750.90 = 193,271.80 : x
  2. Step 2: Convert to fraction form
    194,500.60/291,750.90 = 193,271.80/x
  3. Step 3: Cross multiply
    194,500.60x = 291,750.90 × 193,271.80
  4. Step 4: Simplify right side
    194,500.60x = 56,387,221,594.62
  5. Step 5: Solve for x
    x = 56,387,221,594.62/194,500.60
  6. Step 6: Final answer
    x = 289,907.70

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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.