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Finding the Fourth Proportional to 77,299.92, 116,476.44 and 63,567.54

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Solution

The fourth proportional to 77,299.92, 116,476.44 and 63,567.54 is: 95,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299.92 : 116,476.44 = 63,567.54 : x
  2. Step 2: Convert to fraction form
    77,299.92/116,476.44 = 63,567.54/x
  3. Step 3: Cross multiply
    77,299.92x = 116,476.44 × 63,567.54
  4. Step 4: Simplify right side
    77,299.92x = 7,404,120,758.76
  5. Step 5: Solve for x
    x = 7,404,120,758.76/77,299.92
  6. Step 6: Final answer
    x = 95,784.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.