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Finding the Fourth Proportional to 189,387.91, 262,484.01 and 185,844.97

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Solution

The fourth proportional to 189,387.91, 262,484.01 and 185,844.97 is: 257,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,387.91 : 262,484.01 = 185,844.97 : x
  2. Step 2: Convert to fraction form
    189,387.91/262,484.01 = 185,844.97/x
  3. Step 3: Cross multiply
    189,387.91x = 262,484.01 × 185,844.97
  4. Step 4: Simplify right side
    189,387.91x = 48,781,330,722.28
  5. Step 5: Solve for x
    x = 48,781,330,722.28/189,387.91
  6. Step 6: Final answer
    x = 257,573.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.