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Finding the Fourth Proportional to 195,637.92, 269,978.16 and 110,754.24

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Solution

The fourth proportional to 195,637.92, 269,978.16 and 110,754.24 is: 152,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,637.92 : 269,978.16 = 110,754.24 : x
  2. Step 2: Convert to fraction form
    195,637.92/269,978.16 = 110,754.24/x
  3. Step 3: Cross multiply
    195,637.92x = 269,978.16 × 110,754.24
  4. Step 4: Simplify right side
    195,637.92x = 29,901,225,927.40
  5. Step 5: Solve for x
    x = 29,901,225,927.40/195,637.92
  6. Step 6: Final answer
    x = 152,839.62

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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.