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Finding the Fourth Proportional to 197,967.92, 273,095.47 and 125,248.81

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Solution

The fourth proportional to 197,967.92, 273,095.47 and 125,248.81 is: 172,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,967.92 : 273,095.47 = 125,248.81 : x
  2. Step 2: Convert to fraction form
    197,967.92/273,095.47 = 125,248.81/x
  3. Step 3: Cross multiply
    197,967.92x = 273,095.47 × 125,248.81
  4. Step 4: Simplify right side
    197,967.92x = 34,204,882,203.95
  5. Step 5: Solve for x
    x = 34,204,882,203.95/197,967.92
  6. Step 6: Final answer
    x = 172,779.92

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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.