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Finding the Fourth Proportional to 119,370.80, 164,723.64 and 68,383.74

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Solution

The fourth proportional to 119,370.80, 164,723.64 and 68,383.74 is: 94,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,370.80 : 164,723.64 = 68,383.74 : x
  2. Step 2: Convert to fraction form
    119,370.80/164,723.64 = 68,383.74/x
  3. Step 3: Cross multiply
    119,370.80x = 164,723.64 × 68,383.74
  4. Step 4: Simplify right side
    119,370.80x = 11,264,418,569.61
  5. Step 5: Solve for x
    x = 11,264,418,569.61/119,370.80
  6. Step 6: Final answer
    x = 94,364.94

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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.