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Finding the Fourth Proportional to 77,663.91, 116,479.26 and 25,059.27

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Solution

The fourth proportional to 77,663.91, 116,479.26 and 25,059.27 is: 37,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,663.91 : 116,479.26 = 25,059.27 : x
  2. Step 2: Convert to fraction form
    77,663.91/116,479.26 = 25,059.27/x
  3. Step 3: Cross multiply
    77,663.91x = 116,479.26 × 25,059.27
  4. Step 4: Simplify right side
    77,663.91x = 2,918,885,225.74
  5. Step 5: Solve for x
    x = 2,918,885,225.74/77,663.91
  6. Step 6: Final answer
    x = 37,583.55

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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.