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Finding the Fourth Proportional to 109,363.84, 164,067.68 and 39,248.64

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Solution

The fourth proportional to 109,363.84, 164,067.68 and 39,248.64 is: 58,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,363.84 : 164,067.68 = 39,248.64 : x
  2. Step 2: Convert to fraction form
    109,363.84/164,067.68 = 39,248.64/x
  3. Step 3: Cross multiply
    109,363.84x = 164,067.68 × 39,248.64
  4. Step 4: Simplify right side
    109,363.84x = 6,439,433,307.96
  5. Step 5: Solve for x
    x = 6,439,433,307.96/109,363.84
  6. Step 6: Final answer
    x = 58,880.83

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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.