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Finding the Fourth Proportional to 165,191.54, 227,957.01 and 93,570.12

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Solution

The fourth proportional to 165,191.54, 227,957.01 and 93,570.12 is: 129,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,191.54 : 227,957.01 = 93,570.12 : x
  2. Step 2: Convert to fraction form
    165,191.54/227,957.01 = 93,570.12/x
  3. Step 3: Cross multiply
    165,191.54x = 227,957.01 × 93,570.12
  4. Step 4: Simplify right side
    165,191.54x = 21,329,964,780.54
  5. Step 5: Solve for x
    x = 21,329,964,780.54/165,191.54
  6. Step 6: Final answer
    x = 129,122.62

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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.