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Finding the Fourth Proportional to 243,462.40, 365,020.80 and 93,644.80

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Solution

The fourth proportional to 243,462.40, 365,020.80 and 93,644.80 is: 140,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,462.40 : 365,020.80 = 93,644.80 : x
  2. Step 2: Convert to fraction form
    243,462.40/365,020.80 = 93,644.80/x
  3. Step 3: Cross multiply
    243,462.40x = 365,020.80 × 93,644.80
  4. Step 4: Simplify right side
    243,462.40x = 34,182,299,811.84
  5. Step 5: Solve for x
    x = 34,182,299,811.84/243,462.40
  6. Step 6: Final answer
    x = 140,400.73

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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.