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Finding the Fourth Proportional to 132,633.74, 198,975.21 and 43,888.01

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Solution

The fourth proportional to 132,633.74, 198,975.21 and 43,888.01 is: 65,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,633.74 : 198,975.21 = 43,888.01 : x
  2. Step 2: Convert to fraction form
    132,633.74/198,975.21 = 43,888.01/x
  3. Step 3: Cross multiply
    132,633.74x = 198,975.21 × 43,888.01
  4. Step 4: Simplify right side
    132,633.74x = 8,732,625,011.36
  5. Step 5: Solve for x
    x = 8,732,625,011.36/132,633.74
  6. Step 6: Final answer
    x = 65,840.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.