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Finding the Fourth Proportional to 132,569.92, 182,940.96 and 72,950.08

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Solution

The fourth proportional to 132,569.92, 182,940.96 and 72,950.08 is: 100,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,569.92 : 182,940.96 = 72,950.08 : x
  2. Step 2: Convert to fraction form
    132,569.92/182,940.96 = 72,950.08/x
  3. Step 3: Cross multiply
    132,569.92x = 182,940.96 × 72,950.08
  4. Step 4: Simplify right side
    132,569.92x = 13,345,557,667.28
  5. Step 5: Solve for x
    x = 13,345,557,667.28/132,569.92
  6. Step 6: Final answer
    x = 100,668.07

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1.5x scale

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.