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Finding the Fourth Proportional to 161,776.77, 223,252.69 and 93,833.97

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Solution

The fourth proportional to 161,776.77, 223,252.69 and 93,833.97 is: 129,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,776.77 : 223,252.69 = 93,833.97 : x
  2. Step 2: Convert to fraction form
    161,776.77/223,252.69 = 93,833.97/x
  3. Step 3: Cross multiply
    161,776.77x = 223,252.69 × 93,833.97
  4. Step 4: Simplify right side
    161,776.77x = 20,948,684,630.45
  5. Step 5: Solve for x
    x = 20,948,684,630.45/161,776.77
  6. Step 6: Final answer
    x = 129,491.31

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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.