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Finding the Fourth Proportional to 127,574.27, 176,074.08 and 73,891.97

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Solution

The fourth proportional to 127,574.27, 176,074.08 and 73,891.97 is: 101,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,574.27 : 176,074.08 = 73,891.97 : x
  2. Step 2: Convert to fraction form
    127,574.27/176,074.08 = 73,891.97/x
  3. Step 3: Cross multiply
    127,574.27x = 176,074.08 × 73,891.97
  4. Step 4: Simplify right side
    127,574.27x = 13,010,460,637.14
  5. Step 5: Solve for x
    x = 13,010,460,637.14/127,574.27
  6. Step 6: Final answer
    x = 101,983.42

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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.