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Finding the Fourth Proportional to 243,744.40, 365,443.80 and 93,926.80

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Solution

The fourth proportional to 243,744.40, 365,443.80 and 93,926.80 is: 140,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,744.40 : 365,443.80 = 93,926.80 : x
  2. Step 2: Convert to fraction form
    243,744.40/365,443.80 = 93,926.80/x
  3. Step 3: Cross multiply
    243,744.40x = 365,443.80 × 93,926.80
  4. Step 4: Simplify right side
    243,744.40x = 34,324,966,713.84
  5. Step 5: Solve for x
    x = 34,324,966,713.84/243,744.40
  6. Step 6: Final answer
    x = 140,823.61

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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.