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Finding the Fourth Proportional to 119,293.31, 164,621.26 and 68,304.35

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Solution

The fourth proportional to 119,293.31, 164,621.26 and 68,304.35 is: 94,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,293.31 : 164,621.26 = 68,304.35 : x
  2. Step 2: Convert to fraction form
    119,293.31/164,621.26 = 68,304.35/x
  3. Step 3: Cross multiply
    119,293.31x = 164,621.26 × 68,304.35
  4. Step 4: Simplify right side
    119,293.31x = 11,244,348,657.41
  5. Step 5: Solve for x
    x = 11,244,348,657.41/119,293.31
  6. Step 6: Final answer
    x = 94,258.00

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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.