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Finding the Fourth Proportional to 372,222.56, 558,108.59 and 167,019.60

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Solution

The fourth proportional to 372,222.56, 558,108.59 and 167,019.60 is: 250,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,222.56 : 558,108.59 = 167,019.60 : x
  2. Step 2: Convert to fraction form
    372,222.56/558,108.59 = 167,019.60/x
  3. Step 3: Cross multiply
    372,222.56x = 558,108.59 × 167,019.60
  4. Step 4: Simplify right side
    372,222.56x = 93,215,070,667.82
  5. Step 5: Solve for x
    x = 93,215,070,667.82/372,222.56
  6. Step 6: Final answer
    x = 250,428.32

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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.