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Finding the Fourth Proportional to 185,359.77, 255,789.63 and 100,475.01

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Solution

The fourth proportional to 185,359.77, 255,789.63 and 100,475.01 is: 138,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,359.77 : 255,789.63 = 100,475.01 : x
  2. Step 2: Convert to fraction form
    185,359.77/255,789.63 = 100,475.01/x
  3. Step 3: Cross multiply
    185,359.77x = 255,789.63 × 100,475.01
  4. Step 4: Simplify right side
    185,359.77x = 25,700,465,632.15
  5. Step 5: Solve for x
    x = 25,700,465,632.15/185,359.77
  6. Step 6: Final answer
    x = 138,651.80

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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.