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Finding the Fourth Proportional to 146,404.86, 202,038.84 and 79,336.86

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Solution

The fourth proportional to 146,404.86, 202,038.84 and 79,336.86 is: 109,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,404.86 : 202,038.84 = 79,336.86 : x
  2. Step 2: Convert to fraction form
    146,404.86/202,038.84 = 79,336.86/x
  3. Step 3: Cross multiply
    146,404.86x = 202,038.84 × 79,336.86
  4. Step 4: Simplify right side
    146,404.86x = 16,029,127,163.64
  5. Step 5: Solve for x
    x = 16,029,127,163.64/146,404.86
  6. Step 6: Final answer
    x = 109,484.94

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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.