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Finding the Fourth Proportional to 242,906.70, 364,250.70 and 93,097.20

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Solution

The fourth proportional to 242,906.70, 364,250.70 and 93,097.20 is: 139,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,906.70 : 364,250.70 = 93,097.20 : x
  2. Step 2: Convert to fraction form
    242,906.70/364,250.70 = 93,097.20/x
  3. Step 3: Cross multiply
    242,906.70x = 364,250.70 × 93,097.20
  4. Step 4: Simplify right side
    242,906.70x = 33,910,720,268.04
  5. Step 5: Solve for x
    x = 33,910,720,268.04/242,906.70
  6. Step 6: Final answer
    x = 139,603.89

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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.