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Finding the Fourth Proportional to 243,631.36, 365,396.82 and 93,820.24

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Solution

The fourth proportional to 243,631.36, 365,396.82 and 93,820.24 is: 140,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,631.36 : 365,396.82 = 93,820.24 : x
  2. Step 2: Convert to fraction form
    243,631.36/365,396.82 = 93,820.24/x
  3. Step 3: Cross multiply
    243,631.36x = 365,396.82 × 93,820.24
  4. Step 4: Simplify right side
    243,631.36x = 34,281,617,347.64
  5. Step 5: Solve for x
    x = 34,281,617,347.64/243,631.36
  6. Step 6: Final answer
    x = 140,711.02

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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.