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Finding the Fourth Proportional to 362,025.96, 543,111.84 and 125,363.40

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Solution

The fourth proportional to 362,025.96, 543,111.84 and 125,363.40 is: 188,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,025.96 : 543,111.84 = 125,363.40 : x
  2. Step 2: Convert to fraction form
    362,025.96/543,111.84 = 125,363.40/x
  3. Step 3: Cross multiply
    362,025.96x = 543,111.84 × 125,363.40
  4. Step 4: Simplify right side
    362,025.96x = 68,086,346,842.66
  5. Step 5: Solve for x
    x = 68,086,346,842.66/362,025.96
  6. Step 6: Final answer
    x = 188,070.34

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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.