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Finding the Fourth Proportional to 185,464.54, 255,898.20 and 125,147.08

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Solution

The fourth proportional to 185,464.54, 255,898.20 and 125,147.08 is: 172,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,464.54 : 255,898.20 = 125,147.08 : x
  2. Step 2: Convert to fraction form
    185,464.54/255,898.20 = 125,147.08/x
  3. Step 3: Cross multiply
    185,464.54x = 255,898.20 × 125,147.08
  4. Step 4: Simplify right side
    185,464.54x = 32,024,912,507.26
  5. Step 5: Solve for x
    x = 32,024,912,507.26/185,464.54
  6. Step 6: Final answer
    x = 172,674.05

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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.