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Finding the Fourth Proportional to 483,935.76, 725,901.21 and 124,105.01

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Solution

The fourth proportional to 483,935.76, 725,901.21 and 124,105.01 is: 186,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,935.76 : 725,901.21 = 124,105.01 : x
  2. Step 2: Convert to fraction form
    483,935.76/725,901.21 = 124,105.01/x
  3. Step 3: Cross multiply
    483,935.76x = 725,901.21 × 124,105.01
  4. Step 4: Simplify right side
    483,935.76x = 90,087,973,296.56
  5. Step 5: Solve for x
    x = 90,087,973,296.56/483,935.76
  6. Step 6: Final answer
    x = 186,156.88

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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.