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Finding the Fourth Proportional to 101,692.62, 152,620.74 and 57,362.13

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Solution

The fourth proportional to 101,692.62, 152,620.74 and 57,362.13 is: 86,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,692.62 : 152,620.74 = 57,362.13 : x
  2. Step 2: Convert to fraction form
    101,692.62/152,620.74 = 57,362.13/x
  3. Step 3: Cross multiply
    101,692.62x = 152,620.74 × 57,362.13
  4. Step 4: Simplify right side
    101,692.62x = 8,754,650,728.58
  5. Step 5: Solve for x
    x = 8,754,650,728.58/101,692.62
  6. Step 6: Final answer
    x = 86,089.34

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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.