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Finding the Fourth Proportional to 270,212.37, 372,894.55 and 147,704.93

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Solution

The fourth proportional to 270,212.37, 372,894.55 and 147,704.93 is: 203,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,212.37 : 372,894.55 = 147,704.93 : x
  2. Step 2: Convert to fraction form
    270,212.37/372,894.55 = 147,704.93/x
  3. Step 3: Cross multiply
    270,212.37x = 372,894.55 × 147,704.93
  4. Step 4: Simplify right side
    270,212.37x = 55,078,363,405.13
  5. Step 5: Solve for x
    x = 55,078,363,405.13/270,212.37
  6. Step 6: Final answer
    x = 203,833.62

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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.