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Finding the Fourth Proportional to 348,070.84, 521,850.90 and 111,277.24

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Solution

The fourth proportional to 348,070.84, 521,850.90 and 111,277.24 is: 166,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,070.84 : 521,850.90 = 111,277.24 : x
  2. Step 2: Convert to fraction form
    348,070.84/521,850.90 = 111,277.24/x
  3. Step 3: Cross multiply
    348,070.84x = 521,850.90 × 111,277.24
  4. Step 4: Simplify right side
    348,070.84x = 58,070,127,843.52
  5. Step 5: Solve for x
    x = 58,070,127,843.52/348,070.84
  6. Step 6: Final answer
    x = 166,834.22

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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.