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Finding the Fourth Proportional to 348,033.96, 522,148.95 and 134,866.26

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Solution

The fourth proportional to 348,033.96, 522,148.95 and 134,866.26 is: 202,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,033.96 : 522,148.95 = 134,866.26 : x
  2. Step 2: Convert to fraction form
    348,033.96/522,148.95 = 134,866.26/x
  3. Step 3: Cross multiply
    348,033.96x = 522,148.95 × 134,866.26
  4. Step 4: Simplify right side
    348,033.96x = 70,420,276,049.43
  5. Step 5: Solve for x
    x = 70,420,276,049.43/348,033.96
  6. Step 6: Final answer
    x = 202,337.37

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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.