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Finding the Fourth Proportional to 69,758.74, 94,979.16 and 69,537.31

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Solution

The fourth proportional to 69,758.74, 94,979.16 and 69,537.31 is: 94,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,758.74 : 94,979.16 = 69,537.31 : x
  2. Step 2: Convert to fraction form
    69,758.74/94,979.16 = 69,537.31/x
  3. Step 3: Cross multiply
    69,758.74x = 94,979.16 × 69,537.31
  4. Step 4: Simplify right side
    69,758.74x = 6,604,595,292.46
  5. Step 5: Solve for x
    x = 6,604,595,292.46/69,758.74
  6. Step 6: Final answer
    x = 94,677.67

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.