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Finding the Fourth Proportional to 101,759.84, 152,601.40 and 42,599.60

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Solution

The fourth proportional to 101,759.84, 152,601.40 and 42,599.60 is: 63,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,759.84 : 152,601.40 = 42,599.60 : x
  2. Step 2: Convert to fraction form
    101,759.84/152,601.40 = 42,599.60/x
  3. Step 3: Cross multiply
    101,759.84x = 152,601.40 × 42,599.60
  4. Step 4: Simplify right side
    101,759.84x = 6,500,758,599.44
  5. Step 5: Solve for x
    x = 6,500,758,599.44/101,759.84
  6. Step 6: Final answer
    x = 63,883.34

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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.