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Finding the Fourth Proportional to 242,174.84, 363,294 and 80,015.04

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Solution

The fourth proportional to 242,174.84, 363,294 and 80,015.04 is: 120,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,174.84 : 363,294 = 80,015.04 : x
  2. Step 2: Convert to fraction form
    242,174.84/363,294 = 80,015.04/x
  3. Step 3: Cross multiply
    242,174.84x = 363,294 × 80,015.04
  4. Step 4: Simplify right side
    242,174.84x = 29,068,983,941.76
  5. Step 5: Solve for x
    x = 29,068,983,941.76/242,174.84
  6. Step 6: Final answer
    x = 120,033.05

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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.