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Finding the Fourth Proportional to 372,053.37, 558,078.80 and 102,181.76

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Solution

The fourth proportional to 372,053.37, 558,078.80 and 102,181.76 is: 153,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,053.37 : 558,078.80 = 102,181.76 : x
  2. Step 2: Convert to fraction form
    372,053.37/558,078.80 = 102,181.76/x
  3. Step 3: Cross multiply
    372,053.37x = 558,078.80 × 102,181.76
  4. Step 4: Simplify right side
    372,053.37x = 57,025,471,212.29
  5. Step 5: Solve for x
    x = 57,025,471,212.29/372,053.37
  6. Step 6: Final answer
    x = 153,272.29

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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.