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Finding the Fourth Proportional to 196,356.75, 294,535.13 and 48,612.75

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Solution

The fourth proportional to 196,356.75, 294,535.13 and 48,612.75 is: 72,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,356.75 : 294,535.13 = 48,612.75 : x
  2. Step 2: Convert to fraction form
    196,356.75/294,535.13 = 48,612.75/x
  3. Step 3: Cross multiply
    196,356.75x = 294,535.13 × 48,612.75
  4. Step 4: Simplify right side
    196,356.75x = 14,318,162,397.84
  5. Step 5: Solve for x
    x = 14,318,162,397.84/196,356.75
  6. Step 6: Final answer
    x = 72,919.13

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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.