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Finding the Fourth Proportional to 103,092.90, 154,639.35 and 32,979.30

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Solution

The fourth proportional to 103,092.90, 154,639.35 and 32,979.30 is: 49,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,092.90 : 154,639.35 = 32,979.30 : x
  2. Step 2: Convert to fraction form
    103,092.90/154,639.35 = 32,979.30/x
  3. Step 3: Cross multiply
    103,092.90x = 154,639.35 × 32,979.30
  4. Step 4: Simplify right side
    103,092.90x = 5,099,897,515.46
  5. Step 5: Solve for x
    x = 5,099,897,515.46/103,092.90
  6. Step 6: Final answer
    x = 49,468.95

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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.