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Finding the Fourth Proportional to 119,350.68, 164,703.73 and 68,379.90

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Solution

The fourth proportional to 119,350.68, 164,703.73 and 68,379.90 is: 94,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,350.68 : 164,703.73 = 68,379.90 : x
  2. Step 2: Convert to fraction form
    119,350.68/164,703.73 = 68,379.90/x
  3. Step 3: Cross multiply
    119,350.68x = 164,703.73 × 68,379.90
  4. Step 4: Simplify right side
    119,350.68x = 11,262,424,587.03
  5. Step 5: Solve for x
    x = 11,262,424,587.03/119,350.68
  6. Step 6: Final answer
    x = 94,364.14

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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.