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Finding the Fourth Proportional to 243,630.36, 365,395.32 and 93,819.24

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Solution

The fourth proportional to 243,630.36, 365,395.32 and 93,819.24 is: 140,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,630.36 : 365,395.32 = 93,819.24 : x
  2. Step 2: Convert to fraction form
    243,630.36/365,395.32 = 93,819.24/x
  3. Step 3: Cross multiply
    243,630.36x = 365,395.32 × 93,819.24
  4. Step 4: Simplify right side
    243,630.36x = 34,281,111,221.96
  5. Step 5: Solve for x
    x = 34,281,111,221.96/243,630.36
  6. Step 6: Final answer
    x = 140,709.52

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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.