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Finding the Fourth Proportional to 160,661.06, 221,661.61 and 92,668.92

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Solution

The fourth proportional to 160,661.06, 221,661.61 and 92,668.92 is: 127,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,661.06 : 221,661.61 = 92,668.92 : x
  2. Step 2: Convert to fraction form
    160,661.06/221,661.61 = 92,668.92/x
  3. Step 3: Cross multiply
    160,661.06x = 221,661.61 × 92,668.92
  4. Step 4: Simplify right side
    160,661.06x = 20,541,142,004.16
  5. Step 5: Solve for x
    x = 20,541,142,004.16/160,661.06
  6. Step 6: Final answer
    x = 127,853.89

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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.