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Finding the Fourth Proportional to 372,210.82, 558,409.86 and 119,513.92

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Solution

The fourth proportional to 372,210.82, 558,409.86 and 119,513.92 is: 179,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,210.82 : 558,409.86 = 119,513.92 : x
  2. Step 2: Convert to fraction form
    372,210.82/558,409.86 = 119,513.92/x
  3. Step 3: Cross multiply
    372,210.82x = 558,409.86 × 119,513.92
  4. Step 4: Simplify right side
    372,210.82x = 66,737,751,335.25
  5. Step 5: Solve for x
    x = 66,737,751,335.25/372,210.82
  6. Step 6: Final answer
    x = 179,300.94

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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.