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Finding the Fourth Proportional to 242,395.95, 363,363.87 and 84,582.03

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Solution

The fourth proportional to 242,395.95, 363,363.87 and 84,582.03 is: 126,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,395.95 : 363,363.87 = 84,582.03 : x
  2. Step 2: Convert to fraction form
    242,395.95/363,363.87 = 84,582.03/x
  3. Step 3: Cross multiply
    242,395.95x = 363,363.87 × 84,582.03
  4. Step 4: Simplify right side
    242,395.95x = 30,734,053,753.26
  5. Step 5: Solve for x
    x = 30,734,053,753.26/242,395.95
  6. Step 6: Final answer
    x = 126,792.77

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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.