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Finding the Fourth Proportional to 109,392, 150,961.04 and 59,091

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Solution

The fourth proportional to 109,392, 150,961.04 and 59,091 is: 81,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,392 : 150,961.04 = 59,091 : x
  2. Step 2: Convert to fraction form
    109,392/150,961.04 = 59,091/x
  3. Step 3: Cross multiply
    109,392x = 150,961.04 × 59,091
  4. Step 4: Simplify right side
    109,392x = 8,920,438,814.64
  5. Step 5: Solve for x
    x = 8,920,438,814.64/109,392
  6. Step 6: Final answer
    x = 81,545.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.