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Finding the Fourth Proportional to 77,668.96, 116,490.48 and 22,252

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Solution

The fourth proportional to 77,668.96, 116,490.48 and 22,252 is: 33,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,668.96 : 116,490.48 = 22,252 : x
  2. Step 2: Convert to fraction form
    77,668.96/116,490.48 = 22,252/x
  3. Step 3: Cross multiply
    77,668.96x = 116,490.48 × 22,252
  4. Step 4: Simplify right side
    77,668.96x = 2,592,146,160.96
  5. Step 5: Solve for x
    x = 2,592,146,160.96/77,668.96
  6. Step 6: Final answer
    x = 33,374.29

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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.