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Finding the Fourth Proportional to 242,422.77, 363,655.17 and 73,981.02

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Solution

The fourth proportional to 242,422.77, 363,655.17 and 73,981.02 is: 110,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,422.77 : 363,655.17 = 73,981.02 : x
  2. Step 2: Convert to fraction form
    242,422.77/363,655.17 = 73,981.02/x
  3. Step 3: Cross multiply
    242,422.77x = 363,655.17 × 73,981.02
  4. Step 4: Simplify right side
    242,422.77x = 26,903,580,404.87
  5. Step 5: Solve for x
    x = 26,903,580,404.87/242,422.77
  6. Step 6: Final answer
    x = 110,977.94

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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.