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Finding the Fourth Proportional to 132,300, 182,585.52 and 72,695.52

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Solution

The fourth proportional to 132,300, 182,585.52 and 72,695.52 is: 100,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,300 : 182,585.52 = 72,695.52 : x
  2. Step 2: Convert to fraction form
    132,300/182,585.52 = 72,695.52/x
  3. Step 3: Cross multiply
    132,300x = 182,585.52 × 72,695.52
  4. Step 4: Simplify right side
    132,300x = 13,273,149,320.87
  5. Step 5: Solve for x
    x = 13,273,149,320.87/132,300
  6. Step 6: Final answer
    x = 100,326.15

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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.