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Finding the Fourth Proportional to 247,993.88, 372,038.70 and 105,837.08

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Solution

The fourth proportional to 247,993.88, 372,038.70 and 105,837.08 is: 158,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,993.88 : 372,038.70 = 105,837.08 : x
  2. Step 2: Convert to fraction form
    247,993.88/372,038.70 = 105,837.08/x
  3. Step 3: Cross multiply
    247,993.88x = 372,038.70 × 105,837.08
  4. Step 4: Simplify right side
    247,993.88x = 39,375,489,655.00
  5. Step 5: Solve for x
    x = 39,375,489,655.00/247,993.88
  6. Step 6: Final answer
    x = 158,776.05

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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.