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Finding the Fourth Proportional to 272,035.30, 408,052.95 and 124,579.30

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Solution

The fourth proportional to 272,035.30, 408,052.95 and 124,579.30 is: 186,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,035.30 : 408,052.95 = 124,579.30 : x
  2. Step 2: Convert to fraction form
    272,035.30/408,052.95 = 124,579.30/x
  3. Step 3: Cross multiply
    272,035.30x = 408,052.95 × 124,579.30
  4. Step 4: Simplify right side
    272,035.30x = 50,834,950,873.94
  5. Step 5: Solve for x
    x = 50,834,950,873.94/272,035.30
  6. Step 6: Final answer
    x = 186,868.95

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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.