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Finding the Fourth Proportional to 194,870.20, 292,305.30 and 111,926.20

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Solution

The fourth proportional to 194,870.20, 292,305.30 and 111,926.20 is: 167,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,870.20 : 292,305.30 = 111,926.20 : x
  2. Step 2: Convert to fraction form
    194,870.20/292,305.30 = 111,926.20/x
  3. Step 3: Cross multiply
    194,870.20x = 292,305.30 × 111,926.20
  4. Step 4: Simplify right side
    194,870.20x = 32,716,621,468.86
  5. Step 5: Solve for x
    x = 32,716,621,468.86/194,870.20
  6. Step 6: Final answer
    x = 167,889.30

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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.