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Finding the Fourth Proportional to 74,063.84, 111,133.02 and 29,722.28

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Solution

The fourth proportional to 74,063.84, 111,133.02 and 29,722.28 is: 44,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,063.84 : 111,133.02 = 29,722.28 : x
  2. Step 2: Convert to fraction form
    74,063.84/111,133.02 = 29,722.28/x
  3. Step 3: Cross multiply
    74,063.84x = 111,133.02 × 29,722.28
  4. Step 4: Simplify right side
    74,063.84x = 3,303,126,737.69
  5. Step 5: Solve for x
    x = 3,303,126,737.69/74,063.84
  6. Step 6: Final answer
    x = 44,598.37

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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.