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Finding the Fourth Proportional to 348,486.21, 522,735.04 and 95,765.12

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Solution

The fourth proportional to 348,486.21, 522,735.04 and 95,765.12 is: 143,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,486.21 : 522,735.04 = 95,765.12 : x
  2. Step 2: Convert to fraction form
    348,486.21/522,735.04 = 95,765.12/x
  3. Step 3: Cross multiply
    348,486.21x = 522,735.04 × 95,765.12
  4. Step 4: Simplify right side
    348,486.21x = 50,059,781,220.13
  5. Step 5: Solve for x
    x = 50,059,781,220.13/348,486.21
  6. Step 6: Final answer
    x = 143,649.25

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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.