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Finding the Fourth Proportional to 77,808.62, 116,525.82 and 44,427.50

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Solution

The fourth proportional to 77,808.62, 116,525.82 and 44,427.50 is: 66,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,808.62 : 116,525.82 = 44,427.50 : x
  2. Step 2: Convert to fraction form
    77,808.62/116,525.82 = 44,427.50/x
  3. Step 3: Cross multiply
    77,808.62x = 116,525.82 × 44,427.50
  4. Step 4: Simplify right side
    77,808.62x = 5,176,950,285.42
  5. Step 5: Solve for x
    x = 5,176,950,285.42/77,808.62
  6. Step 6: Final answer
    x = 66,534.41

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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.