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Finding the Fourth Proportional to 189,798.92, 284,601.66 and 63,393.72

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Solution

The fourth proportional to 189,798.92, 284,601.66 and 63,393.72 is: 95,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,798.92 : 284,601.66 = 63,393.72 : x
  2. Step 2: Convert to fraction form
    189,798.92/284,601.66 = 63,393.72/x
  3. Step 3: Cross multiply
    189,798.92x = 284,601.66 × 63,393.72
  4. Step 4: Simplify right side
    189,798.92x = 18,041,957,945.58
  5. Step 5: Solve for x
    x = 18,041,957,945.58/189,798.92
  6. Step 6: Final answer
    x = 95,058.28

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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.