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Finding the Fourth Proportional to 183,995.76, 275,443.56 and 112,693.92

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Solution

The fourth proportional to 183,995.76, 275,443.56 and 112,693.92 is: 168,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,995.76 : 275,443.56 = 112,693.92 : x
  2. Step 2: Convert to fraction form
    183,995.76/275,443.56 = 112,693.92/x
  3. Step 3: Cross multiply
    183,995.76x = 275,443.56 × 112,693.92
  4. Step 4: Simplify right side
    183,995.76x = 31,040,814,515.16
  5. Step 5: Solve for x
    x = 31,040,814,515.16/183,995.76
  6. Step 6: Final answer
    x = 168,703.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.