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Finding the Fourth Proportional to 194,437.60, 291,656.40 and 110,456.80

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Solution

The fourth proportional to 194,437.60, 291,656.40 and 110,456.80 is: 165,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,437.60 : 291,656.40 = 110,456.80 : x
  2. Step 2: Convert to fraction form
    194,437.60/291,656.40 = 110,456.80/x
  3. Step 3: Cross multiply
    194,437.60x = 291,656.40 × 110,456.80
  4. Step 4: Simplify right side
    194,437.60x = 32,215,432,643.52
  5. Step 5: Solve for x
    x = 32,215,432,643.52/194,437.60
  6. Step 6: Final answer
    x = 165,685.20

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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.