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Finding the Fourth Proportional to 242,396.56, 363,619.67 and 92,762.70

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Solution

The fourth proportional to 242,396.56, 363,619.67 and 92,762.70 is: 139,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,396.56 : 363,619.67 = 92,762.70 : x
  2. Step 2: Convert to fraction form
    242,396.56/363,619.67 = 92,762.70/x
  3. Step 3: Cross multiply
    242,396.56x = 363,619.67 × 92,762.70
  4. Step 4: Simplify right side
    242,396.56x = 33,730,342,362.31
  5. Step 5: Solve for x
    x = 33,730,342,362.31/242,396.56
  6. Step 6: Final answer
    x = 139,153.55

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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.