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Finding the Fourth Proportional to 158,576.80, 218,846.10 and 104,767.42

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Solution

The fourth proportional to 158,576.80, 218,846.10 and 104,767.42 is: 144,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,576.80 : 218,846.10 = 104,767.42 : x
  2. Step 2: Convert to fraction form
    158,576.80/218,846.10 = 104,767.42/x
  3. Step 3: Cross multiply
    158,576.80x = 218,846.10 × 104,767.42
  4. Step 4: Simplify right side
    158,576.80x = 22,927,941,274.06
  5. Step 5: Solve for x
    x = 22,927,941,274.06/158,576.80
  6. Step 6: Final answer
    x = 144,585.72

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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.