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Finding the Fourth Proportional to 372,641.70, 558,884.16 and 119,944.77

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Solution

The fourth proportional to 372,641.70, 558,884.16 and 119,944.77 is: 179,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,641.70 : 558,884.16 = 119,944.77 : x
  2. Step 2: Convert to fraction form
    372,641.70/558,884.16 = 119,944.77/x
  3. Step 3: Cross multiply
    372,641.70x = 558,884.16 × 119,944.77
  4. Step 4: Simplify right side
    372,641.70x = 67,035,232,027.84
  5. Step 5: Solve for x
    x = 67,035,232,027.84/372,641.70
  6. Step 6: Final answer
    x = 179,891.92

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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.