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Finding the Fourth Proportional to 242,163.32, 363,300.27 and 73,707.53

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Solution

The fourth proportional to 242,163.32, 363,300.27 and 73,707.53 is: 110,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,163.32 : 363,300.27 = 73,707.53 : x
  2. Step 2: Convert to fraction form
    242,163.32/363,300.27 = 73,707.53/x
  3. Step 3: Cross multiply
    242,163.32x = 363,300.27 × 73,707.53
  4. Step 4: Simplify right side
    242,163.32x = 26,777,963,733.53
  5. Step 5: Solve for x
    x = 26,777,963,733.53/242,163.32
  6. Step 6: Final answer
    x = 110,578.12

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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.