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Finding the Fourth Proportional to 101,994.24, 152,881.98 and 49,331.28

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Solution

The fourth proportional to 101,994.24, 152,881.98 and 49,331.28 is: 73,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,994.24 : 152,881.98 = 49,331.28 : x
  2. Step 2: Convert to fraction form
    101,994.24/152,881.98 = 49,331.28/x
  3. Step 3: Cross multiply
    101,994.24x = 152,881.98 × 49,331.28
  4. Step 4: Simplify right side
    101,994.24x = 7,541,863,762.33
  5. Step 5: Solve for x
    x = 7,541,863,762.33/101,994.24
  6. Step 6: Final answer
    x = 73,944.02

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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.