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Finding the Fourth Proportional to 132,955.72, 183,472.14 and 72,525.87

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Solution

The fourth proportional to 132,955.72, 183,472.14 and 72,525.87 is: 100,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,955.72 : 183,472.14 = 72,525.87 : x
  2. Step 2: Convert to fraction form
    132,955.72/183,472.14 = 72,525.87/x
  3. Step 3: Cross multiply
    132,955.72x = 183,472.14 × 72,525.87
  4. Step 4: Simplify right side
    132,955.72x = 13,306,476,574.26
  5. Step 5: Solve for x
    x = 13,306,476,574.26/132,955.72
  6. Step 6: Final answer
    x = 100,082.02

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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.