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Finding the Fourth Proportional to 119,364.55, 164,715.06 and 68,377.48

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Solution

The fourth proportional to 119,364.55, 164,715.06 and 68,377.48 is: 94,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,364.55 : 164,715.06 = 68,377.48 : x
  2. Step 2: Convert to fraction form
    119,364.55/164,715.06 = 68,377.48/x
  3. Step 3: Cross multiply
    119,364.55x = 164,715.06 × 68,377.48
  4. Step 4: Simplify right side
    119,364.55x = 11,262,800,720.85
  5. Step 5: Solve for x
    x = 11,262,800,720.85/119,364.55
  6. Step 6: Final answer
    x = 94,356.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.