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Finding the Fourth Proportional to 372,182.44, 558,189.81 and 105,937.06

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Solution

The fourth proportional to 372,182.44, 558,189.81 and 105,937.06 is: 158,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,182.44 : 558,189.81 = 105,937.06 : x
  2. Step 2: Convert to fraction form
    372,182.44/558,189.81 = 105,937.06/x
  3. Step 3: Cross multiply
    372,182.44x = 558,189.81 × 105,937.06
  4. Step 4: Simplify right side
    372,182.44x = 59,132,987,393.36
  5. Step 5: Solve for x
    x = 59,132,987,393.36/372,182.44
  6. Step 6: Final answer
    x = 158,881.72

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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.