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Finding the Fourth Proportional to 101,860.40, 152,787.24 and 41,886.80

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Solution

The fourth proportional to 101,860.40, 152,787.24 and 41,886.80 is: 62,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,860.40 : 152,787.24 = 41,886.80 : x
  2. Step 2: Convert to fraction form
    101,860.40/152,787.24 = 41,886.80/x
  3. Step 3: Cross multiply
    101,860.40x = 152,787.24 × 41,886.80
  4. Step 4: Simplify right side
    101,860.40x = 6,399,768,564.43
  5. Step 5: Solve for x
    x = 6,399,768,564.43/101,860.40
  6. Step 6: Final answer
    x = 62,828.82

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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.