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Finding the Fourth Proportional to 372,992.10, 559,488.15 and 163,040.10

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Solution

The fourth proportional to 372,992.10, 559,488.15 and 163,040.10 is: 244,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,992.10 : 559,488.15 = 163,040.10 : x
  2. Step 2: Convert to fraction form
    372,992.10/559,488.15 = 163,040.10/x
  3. Step 3: Cross multiply
    372,992.10x = 559,488.15 × 163,040.10
  4. Step 4: Simplify right side
    372,992.10x = 91,219,003,924.82
  5. Step 5: Solve for x
    x = 91,219,003,924.82/372,992.10
  6. Step 6: Final answer
    x = 244,560.15

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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.