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Finding the Fourth Proportional to 248,993.83, 343,562.88 and 141,545.53

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Solution

The fourth proportional to 248,993.83, 343,562.88 and 141,545.53 is: 195,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,993.83 : 343,562.88 = 141,545.53 : x
  2. Step 2: Convert to fraction form
    248,993.83/343,562.88 = 141,545.53/x
  3. Step 3: Cross multiply
    248,993.83x = 343,562.88 × 141,545.53
  4. Step 4: Simplify right side
    248,993.83x = 48,629,789,937.93
  5. Step 5: Solve for x
    x = 48,629,789,937.93/248,993.83
  6. Step 6: Final answer
    x = 195,305.20

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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.