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Finding the Fourth Proportional to 243,634.36, 365,401.32 and 93,823.24

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Solution

The fourth proportional to 243,634.36, 365,401.32 and 93,823.24 is: 140,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,634.36 : 365,401.32 = 93,823.24 : x
  2. Step 2: Convert to fraction form
    243,634.36/365,401.32 = 93,823.24/x
  3. Step 3: Cross multiply
    243,634.36x = 365,401.32 × 93,823.24
  4. Step 4: Simplify right side
    243,634.36x = 34,283,135,742.68
  5. Step 5: Solve for x
    x = 34,283,135,742.68/243,634.36
  6. Step 6: Final answer
    x = 140,715.52

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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.