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Finding the Fourth Proportional to 104,799.84, 157,222.97 and 38,239.79

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Solution

The fourth proportional to 104,799.84, 157,222.97 and 38,239.79 is: 57,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.84 : 157,222.97 = 38,239.79 : x
  2. Step 2: Convert to fraction form
    104,799.84/157,222.97 = 38,239.79/x
  3. Step 3: Cross multiply
    104,799.84x = 157,222.97 × 38,239.79
  4. Step 4: Simplify right side
    104,799.84x = 6,012,172,378.66
  5. Step 5: Solve for x
    x = 6,012,172,378.66/104,799.84
  6. Step 6: Final answer
    x = 57,368.14

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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.