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Finding the Fourth Proportional to 372,055.86, 558,208.85 and 147,481.03

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Solution

The fourth proportional to 372,055.86, 558,208.85 and 147,481.03 is: 221,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,055.86 : 558,208.85 = 147,481.03 : x
  2. Step 2: Convert to fraction form
    372,055.86/558,208.85 = 147,481.03/x
  3. Step 3: Cross multiply
    372,055.86x = 558,208.85 × 147,481.03
  4. Step 4: Simplify right side
    372,055.86x = 82,325,215,995.28
  5. Step 5: Solve for x
    x = 82,325,215,995.28/372,055.86
  6. Step 6: Final answer
    x = 221,271.12

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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.