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Finding the Fourth Proportional to 325,073.46, 487,632.06 and 125,395.50

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Solution

The fourth proportional to 325,073.46, 487,632.06 and 125,395.50 is: 188,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,073.46 : 487,632.06 = 125,395.50 : x
  2. Step 2: Convert to fraction form
    325,073.46/487,632.06 = 125,395.50/x
  3. Step 3: Cross multiply
    325,073.46x = 487,632.06 × 125,395.50
  4. Step 4: Simplify right side
    325,073.46x = 61,146,865,979.73
  5. Step 5: Solve for x
    x = 61,146,865,979.73/325,073.46
  6. Step 6: Final answer
    x = 188,101.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.