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Finding the Fourth Proportional to 185,260.56, 255,659.64 and 100,377.63

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Solution

The fourth proportional to 185,260.56, 255,659.64 and 100,377.63 is: 138,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,260.56 : 255,659.64 = 100,377.63 : x
  2. Step 2: Convert to fraction form
    185,260.56/255,659.64 = 100,377.63/x
  3. Step 3: Cross multiply
    185,260.56x = 255,659.64 × 100,377.63
  4. Step 4: Simplify right side
    185,260.56x = 25,662,508,749.85
  5. Step 5: Solve for x
    x = 25,662,508,749.85/185,260.56
  6. Step 6: Final answer
    x = 138,521.17

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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.