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Finding the Fourth Proportional to 262,461.01, 393,753.89 and 84,967.94

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Solution

The fourth proportional to 262,461.01, 393,753.89 and 84,967.94 is: 127,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,461.01 : 393,753.89 = 84,967.94 : x
  2. Step 2: Convert to fraction form
    262,461.01/393,753.89 = 84,967.94/x
  3. Step 3: Cross multiply
    262,461.01x = 393,753.89 × 84,967.94
  4. Step 4: Simplify right side
    262,461.01x = 33,456,456,900.29
  5. Step 5: Solve for x
    x = 33,456,456,900.29/262,461.01
  6. Step 6: Final answer
    x = 127,472.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.