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Finding the Fourth Proportional to 179,887.92, 248,238.90 and 99,313.80

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Solution

The fourth proportional to 179,887.92, 248,238.90 and 99,313.80 is: 137,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,887.92 : 248,238.90 = 99,313.80 : x
  2. Step 2: Convert to fraction form
    179,887.92/248,238.90 = 99,313.80/x
  3. Step 3: Cross multiply
    179,887.92x = 248,238.90 × 99,313.80
  4. Step 4: Simplify right side
    179,887.92x = 24,653,548,466.82
  5. Step 5: Solve for x
    x = 24,653,548,466.82/179,887.92
  6. Step 6: Final answer
    x = 137,049.49

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1.5x scale

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.