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Finding the Fourth Proportional to 84,144, 126,215.01 and 24,173.93

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Solution

The fourth proportional to 84,144, 126,215.01 and 24,173.93 is: 36,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,144 : 126,215.01 = 24,173.93 : x
  2. Step 2: Convert to fraction form
    84,144/126,215.01 = 24,173.93/x
  3. Step 3: Cross multiply
    84,144x = 126,215.01 × 24,173.93
  4. Step 4: Simplify right side
    84,144x = 3,051,112,185.61
  5. Step 5: Solve for x
    x = 3,051,112,185.61/84,144
  6. Step 6: Final answer
    x = 36,260.60

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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.