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Finding the Fourth Proportional to 88,814.80, 133,027.80 and 77,150.80

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Solution

The fourth proportional to 88,814.80, 133,027.80 and 77,150.80 is: 115,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,814.80 : 133,027.80 = 77,150.80 : x
  2. Step 2: Convert to fraction form
    88,814.80/133,027.80 = 77,150.80/x
  3. Step 3: Cross multiply
    88,814.80x = 133,027.80 × 77,150.80
  4. Step 4: Simplify right side
    88,814.80x = 10,263,201,192.24
  5. Step 5: Solve for x
    x = 10,263,201,192.24/88,814.80
  6. Step 6: Final answer
    x = 115,557.33

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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.