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Finding the Fourth Proportional to 76,355.99, 114,506.54 and 26,422.53

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Solution

The fourth proportional to 76,355.99, 114,506.54 and 26,422.53 is: 39,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,355.99 : 114,506.54 = 26,422.53 : x
  2. Step 2: Convert to fraction form
    76,355.99/114,506.54 = 26,422.53/x
  3. Step 3: Cross multiply
    76,355.99x = 114,506.54 × 26,422.53
  4. Step 4: Simplify right side
    76,355.99x = 3,025,552,488.35
  5. Step 5: Solve for x
    x = 3,025,552,488.35/76,355.99
  6. Step 6: Final answer
    x = 39,624.30

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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.