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Finding the Fourth Proportional to 79,366.66, 119,068.16 and 34,395.56

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Solution

The fourth proportional to 79,366.66, 119,068.16 and 34,395.56 is: 51,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,366.66 : 119,068.16 = 34,395.56 : x
  2. Step 2: Convert to fraction form
    79,366.66/119,068.16 = 34,395.56/x
  3. Step 3: Cross multiply
    79,366.66x = 119,068.16 × 34,395.56
  4. Step 4: Simplify right side
    79,366.66x = 4,095,416,127.36
  5. Step 5: Solve for x
    x = 4,095,416,127.36/79,366.66
  6. Step 6: Final answer
    x = 51,601.22

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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.