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Finding the Fourth Proportional to 84,722.66, 127,084.47 and 22,392.50

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Solution

The fourth proportional to 84,722.66, 127,084.47 and 22,392.50 is: 33,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.66 : 127,084.47 = 22,392.50 : x
  2. Step 2: Convert to fraction form
    84,722.66/127,084.47 = 22,392.50/x
  3. Step 3: Cross multiply
    84,722.66x = 127,084.47 × 22,392.50
  4. Step 4: Simplify right side
    84,722.66x = 2,845,738,994.48
  5. Step 5: Solve for x
    x = 2,845,738,994.48/84,722.66
  6. Step 6: Final answer
    x = 33,588.88

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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.