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Finding the Fourth Proportional to 194,612.70, 291,919.05 and 110,340.30

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Solution

The fourth proportional to 194,612.70, 291,919.05 and 110,340.30 is: 165,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,612.70 : 291,919.05 = 110,340.30 : x
  2. Step 2: Convert to fraction form
    194,612.70/291,919.05 = 110,340.30/x
  3. Step 3: Cross multiply
    194,612.70x = 291,919.05 × 110,340.30
  4. Step 4: Simplify right side
    194,612.70x = 32,210,435,552.72
  5. Step 5: Solve for x
    x = 32,210,435,552.72/194,612.70
  6. Step 6: Final answer
    x = 165,510.45

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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.