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Finding the Fourth Proportional to 312,161.04, 467,833.32 and 125,303.76

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Solution

The fourth proportional to 312,161.04, 467,833.32 and 125,303.76 is: 187,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,161.04 : 467,833.32 = 125,303.76 : x
  2. Step 2: Convert to fraction form
    312,161.04/467,833.32 = 125,303.76/x
  3. Step 3: Cross multiply
    312,161.04x = 467,833.32 × 125,303.76
  4. Step 4: Simplify right side
    312,161.04x = 58,621,274,049.28
  5. Step 5: Solve for x
    x = 58,621,274,049.28/312,161.04
  6. Step 6: Final answer
    x = 187,791.77

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1.5x scale

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.