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Finding the Fourth Proportional to 356,543.52, 534,698.60 and 166,945.20

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Solution

The fourth proportional to 356,543.52, 534,698.60 and 166,945.20 is: 250,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,543.52 : 534,698.60 = 166,945.20 : x
  2. Step 2: Convert to fraction form
    356,543.52/534,698.60 = 166,945.20/x
  3. Step 3: Cross multiply
    356,543.52x = 534,698.60 × 166,945.20
  4. Step 4: Simplify right side
    356,543.52x = 89,265,364,716.72
  5. Step 5: Solve for x
    x = 89,265,364,716.72/356,543.52
  6. Step 6: Final answer
    x = 250,363.17

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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.