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Finding the Fourth Proportional to 119,393.64, 164,707.98 and 71,563.98

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Solution

The fourth proportional to 119,393.64, 164,707.98 and 71,563.98 is: 98,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,393.64 : 164,707.98 = 71,563.98 : x
  2. Step 2: Convert to fraction form
    119,393.64/164,707.98 = 71,563.98/x
  3. Step 3: Cross multiply
    119,393.64x = 164,707.98 × 71,563.98
  4. Step 4: Simplify right side
    119,393.64x = 11,787,158,586.56
  5. Step 5: Solve for x
    x = 11,787,158,586.56/119,393.64
  6. Step 6: Final answer
    x = 98,725.18

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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.