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Finding the Fourth Proportional to 119,494.52, 164,883.12 and 68,497.88

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Solution

The fourth proportional to 119,494.52, 164,883.12 and 68,497.88 is: 94,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,494.52 : 164,883.12 = 68,497.88 : x
  2. Step 2: Convert to fraction form
    119,494.52/164,883.12 = 68,497.88/x
  3. Step 3: Cross multiply
    119,494.52x = 164,883.12 × 68,497.88
  4. Step 4: Simplify right side
    119,494.52x = 11,294,144,167.79
  5. Step 5: Solve for x
    x = 11,294,144,167.79/119,494.52
  6. Step 6: Final answer
    x = 94,516.00

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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.