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Finding the Fourth Proportional to 193,992.29, 291,000.74 and 60,877.80

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Solution

The fourth proportional to 193,992.29, 291,000.74 and 60,877.80 is: 91,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,992.29 : 291,000.74 = 60,877.80 : x
  2. Step 2: Convert to fraction form
    193,992.29/291,000.74 = 60,877.80/x
  3. Step 3: Cross multiply
    193,992.29x = 291,000.74 × 60,877.80
  4. Step 4: Simplify right side
    193,992.29x = 17,715,484,545.18
  5. Step 5: Solve for x
    x = 17,715,484,545.18/193,992.29
  6. Step 6: Final answer
    x = 91,320.56

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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.