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Finding the Fourth Proportional to 372,064.50, 558,096.75 and 109,408.50

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Solution

The fourth proportional to 372,064.50, 558,096.75 and 109,408.50 is: 164,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,064.50 : 558,096.75 = 109,408.50 : x
  2. Step 2: Convert to fraction form
    372,064.50/558,096.75 = 109,408.50/x
  3. Step 3: Cross multiply
    372,064.50x = 558,096.75 × 109,408.50
  4. Step 4: Simplify right side
    372,064.50x = 61,060,528,272.38
  5. Step 5: Solve for x
    x = 61,060,528,272.38/372,064.50
  6. Step 6: Final answer
    x = 164,112.75

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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.