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Finding the Fourth Proportional to 119,549.34, 164,974.86 and 68,570.64

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Solution

The fourth proportional to 119,549.34, 164,974.86 and 68,570.64 is: 94,625.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,549.34 : 164,974.86 = 68,570.64 : x
  2. Step 2: Convert to fraction form
    119,549.34/164,974.86 = 68,570.64/x
  3. Step 3: Cross multiply
    119,549.34x = 164,974.86 × 68,570.64
  4. Step 4: Simplify right side
    119,549.34x = 11,312,431,734.11
  5. Step 5: Solve for x
    x = 11,312,431,734.11/119,549.34
  6. Step 6: Final answer
    x = 94,625.63

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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.