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Finding the Fourth Proportional to 251,800.97, 377,563.41 and 99,844.16

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Solution

The fourth proportional to 251,800.97, 377,563.41 and 99,844.16 is: 149,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,800.97 : 377,563.41 = 99,844.16 : x
  2. Step 2: Convert to fraction form
    251,800.97/377,563.41 = 99,844.16/x
  3. Step 3: Cross multiply
    251,800.97x = 377,563.41 × 99,844.16
  4. Step 4: Simplify right side
    251,800.97x = 37,697,499,630.37
  5. Step 5: Solve for x
    x = 37,697,499,630.37/251,800.97
  6. Step 6: Final answer
    x = 149,711.50

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1.5x scale

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.