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Finding the Fourth Proportional to 77,908.17, 116,769.99 and 35,752.72

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Solution

The fourth proportional to 77,908.17, 116,769.99 and 35,752.72 is: 53,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,908.17 : 116,769.99 = 35,752.72 : x
  2. Step 2: Convert to fraction form
    77,908.17/116,769.99 = 35,752.72/x
  3. Step 3: Cross multiply
    77,908.17x = 116,769.99 × 35,752.72
  4. Step 4: Simplify right side
    77,908.17x = 4,174,844,756.87
  5. Step 5: Solve for x
    x = 4,174,844,756.87/77,908.17
  6. Step 6: Final answer
    x = 53,586.74

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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.