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Finding the Fourth Proportional to 272,193.92, 375,496.74 and 176,730.56

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Solution

The fourth proportional to 272,193.92, 375,496.74 and 176,730.56 is: 243,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,193.92 : 375,496.74 = 176,730.56 : x
  2. Step 2: Convert to fraction form
    272,193.92/375,496.74 = 176,730.56/x
  3. Step 3: Cross multiply
    272,193.92x = 375,496.74 × 176,730.56
  4. Step 4: Simplify right side
    272,193.92x = 66,361,749,138.37
  5. Step 5: Solve for x
    x = 66,361,749,138.37/272,193.92
  6. Step 6: Final answer
    x = 243,803.20

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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.