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Finding the Fourth Proportional to 163,156.53, 225,226.67 and 152,942.97

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Solution

The fourth proportional to 163,156.53, 225,226.67 and 152,942.97 is: 211,127.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,156.53 : 225,226.67 = 152,942.97 : x
  2. Step 2: Convert to fraction form
    163,156.53/225,226.67 = 152,942.97/x
  3. Step 3: Cross multiply
    163,156.53x = 225,226.67 × 152,942.97
  4. Step 4: Simplify right side
    163,156.53x = 34,446,835,833.01
  5. Step 5: Solve for x
    x = 34,446,835,833.01/163,156.53
  6. Step 6: Final answer
    x = 211,127.53

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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.