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Finding the Fourth Proportional to 243,352.10, 335,839.02 and 135,924.50

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Solution

The fourth proportional to 243,352.10, 335,839.02 and 135,924.50 is: 187,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,352.10 : 335,839.02 = 135,924.50 : x
  2. Step 2: Convert to fraction form
    243,352.10/335,839.02 = 135,924.50/x
  3. Step 3: Cross multiply
    243,352.10x = 335,839.02 × 135,924.50
  4. Step 4: Simplify right side
    243,352.10x = 45,648,750,873.99
  5. Step 5: Solve for x
    x = 45,648,750,873.99/243,352.10
  6. Step 6: Final answer
    x = 187,583.14

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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.