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Finding the Fourth Proportional to 312,323.01, 468,572.00 and 125,465.73

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Solution

The fourth proportional to 312,323.01, 468,572.00 and 125,465.73 is: 188,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,323.01 : 468,572.00 = 125,465.73 : x
  2. Step 2: Convert to fraction form
    312,323.01/468,572.00 = 125,465.73/x
  3. Step 3: Cross multiply
    312,323.01x = 468,572.00 × 125,465.73
  4. Step 4: Simplify right side
    312,323.01x = 58,789,727,410.23
  5. Step 5: Solve for x
    x = 58,789,727,410.23/312,323.01
  6. Step 6: Final answer
    x = 188,233.74

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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.