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Finding the Fourth Proportional to 77,692.62, 116,539.61 and 25,102.11

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Solution

The fourth proportional to 77,692.62, 116,539.61 and 25,102.11 is: 37,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,692.62 : 116,539.61 = 25,102.11 : x
  2. Step 2: Convert to fraction form
    77,692.62/116,539.61 = 25,102.11/x
  3. Step 3: Cross multiply
    77,692.62x = 116,539.61 × 25,102.11
  4. Step 4: Simplify right side
    77,692.62x = 2,925,389,984.07
  5. Step 5: Solve for x
    x = 2,925,389,984.07/77,692.62
  6. Step 6: Final answer
    x = 37,653.38

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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.