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Finding the Fourth Proportional to 77,524.71, 116,131.37 and 35,346.77

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Solution

The fourth proportional to 77,524.71, 116,131.37 and 35,346.77 is: 52,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,524.71 : 116,131.37 = 35,346.77 : x
  2. Step 2: Convert to fraction form
    77,524.71/116,131.37 = 35,346.77/x
  3. Step 3: Cross multiply
    77,524.71x = 116,131.37 × 35,346.77
  4. Step 4: Simplify right side
    77,524.71x = 4,104,869,156.52
  5. Step 5: Solve for x
    x = 4,104,869,156.52/77,524.71
  6. Step 6: Final answer
    x = 52,949.17

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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.