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Finding the Fourth Proportional to 110,976.92, 153,216.45 and 72,251.84

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Solution

The fourth proportional to 110,976.92, 153,216.45 and 72,251.84 is: 99,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,976.92 : 153,216.45 = 72,251.84 : x
  2. Step 2: Convert to fraction form
    110,976.92/153,216.45 = 72,251.84/x
  3. Step 3: Cross multiply
    110,976.92x = 153,216.45 × 72,251.84
  4. Step 4: Simplify right side
    110,976.92x = 11,070,169,664.69
  5. Step 5: Solve for x
    x = 11,070,169,664.69/110,976.92
  6. Step 6: Final answer
    x = 99,752.00

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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.