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Finding the Fourth Proportional to 194,543.20, 291,987.60 and 168,277.60

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Solution

The fourth proportional to 194,543.20, 291,987.60 and 168,277.60 is: 252,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,543.20 : 291,987.60 = 168,277.60 : x
  2. Step 2: Convert to fraction form
    194,543.20/291,987.60 = 168,277.60/x
  3. Step 3: Cross multiply
    194,543.20x = 291,987.60 × 168,277.60
  4. Step 4: Simplify right side
    194,543.20x = 49,134,972,557.76
  5. Step 5: Solve for x
    x = 49,134,972,557.76/194,543.20
  6. Step 6: Final answer
    x = 252,565.87

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1.5x scale

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.