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Finding the Fourth Proportional to 242,357.03, 363,701.60 and 84,585.48

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Solution

The fourth proportional to 242,357.03, 363,701.60 and 84,585.48 is: 126,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,357.03 : 363,701.60 = 84,585.48 : x
  2. Step 2: Convert to fraction form
    242,357.03/363,701.60 = 84,585.48/x
  3. Step 3: Cross multiply
    242,357.03x = 363,701.60 × 84,585.48
  4. Step 4: Simplify right side
    242,357.03x = 30,763,874,624.23
  5. Step 5: Solve for x
    x = 30,763,874,624.23/242,357.03
  6. Step 6: Final answer
    x = 126,936.18

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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.