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Finding the Fourth Proportional to 194,616.60, 291,924.90 and 173,621.40

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Solution

The fourth proportional to 194,616.60, 291,924.90 and 173,621.40 is: 260,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,616.60 : 291,924.90 = 173,621.40 : x
  2. Step 2: Convert to fraction form
    194,616.60/291,924.90 = 173,621.40/x
  3. Step 3: Cross multiply
    194,616.60x = 291,924.90 × 173,621.40
  4. Step 4: Simplify right side
    194,616.60x = 50,684,409,832.86
  5. Step 5: Solve for x
    x = 50,684,409,832.86/194,616.60
  6. Step 6: Final answer
    x = 260,432.10

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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.