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Finding the Fourth Proportional to 243,334.80, 364,891.05 and 74,796.48

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Solution

The fourth proportional to 243,334.80, 364,891.05 and 74,796.48 is: 112,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,334.80 : 364,891.05 = 74,796.48 : x
  2. Step 2: Convert to fraction form
    243,334.80/364,891.05 = 74,796.48/x
  3. Step 3: Cross multiply
    243,334.80x = 364,891.05 × 74,796.48
  4. Step 4: Simplify right side
    243,334.80x = 27,292,566,123.50
  5. Step 5: Solve for x
    x = 27,292,566,123.50/243,334.80
  6. Step 6: Final answer
    x = 112,160.55

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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.