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Finding the Fourth Proportional to 77,333.60, 116,004.72 and 21,933.92

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Solution

The fourth proportional to 77,333.60, 116,004.72 and 21,933.92 is: 32,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333.60 : 116,004.72 = 21,933.92 : x
  2. Step 2: Convert to fraction form
    77,333.60/116,004.72 = 21,933.92/x
  3. Step 3: Cross multiply
    77,333.60x = 116,004.72 × 21,933.92
  4. Step 4: Simplify right side
    77,333.60x = 2,544,438,248.10
  5. Step 5: Solve for x
    x = 2,544,438,248.10/77,333.60
  6. Step 6: Final answer
    x = 32,902.11

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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.