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Finding the Fourth Proportional to 77,607.82, 116,423.88 and 25,022.62

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Solution

The fourth proportional to 77,607.82, 116,423.88 and 25,022.62 is: 37,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,607.82 : 116,423.88 = 25,022.62 : x
  2. Step 2: Convert to fraction form
    77,607.82/116,423.88 = 25,022.62/x
  3. Step 3: Cross multiply
    77,607.82x = 116,423.88 × 25,022.62
  4. Step 4: Simplify right side
    77,607.82x = 2,913,230,700.61
  5. Step 5: Solve for x
    x = 2,913,230,700.61/77,607.82
  6. Step 6: Final answer
    x = 37,537.85

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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.