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Finding the Fourth Proportional to 272,194.92, 375,498.12 and 176,731.56

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Solution

The fourth proportional to 272,194.92, 375,498.12 and 176,731.56 is: 243,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,194.92 : 375,498.12 = 176,731.56 : x
  2. Step 2: Convert to fraction form
    272,194.92/375,498.12 = 176,731.56/x
  3. Step 3: Cross multiply
    272,194.92x = 375,498.12 × 176,731.56
  4. Step 4: Simplify right side
    272,194.92x = 66,362,368,524.67
  5. Step 5: Solve for x
    x = 66,362,368,524.67/272,194.92
  6. Step 6: Final answer
    x = 243,804.58

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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.