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Finding the Fourth Proportional to 132,362.35, 182,661.47 and 71,934.01

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Solution

The fourth proportional to 132,362.35, 182,661.47 and 71,934.01 is: 99,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,362.35 : 182,661.47 = 71,934.01 : x
  2. Step 2: Convert to fraction form
    132,362.35/182,661.47 = 71,934.01/x
  3. Step 3: Cross multiply
    132,362.35x = 182,661.47 × 71,934.01
  4. Step 4: Simplify right side
    132,362.35x = 13,139,571,463.02
  5. Step 5: Solve for x
    x = 13,139,571,463.02/132,362.35
  6. Step 6: Final answer
    x = 99,269.71

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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.