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Finding the Fourth Proportional to 146,373.92, 201,995.94 and 79,305.92

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Solution

The fourth proportional to 146,373.92, 201,995.94 and 79,305.92 is: 109,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,373.92 : 201,995.94 = 79,305.92 : x
  2. Step 2: Convert to fraction form
    146,373.92/201,995.94 = 79,305.92/x
  3. Step 3: Cross multiply
    146,373.92x = 201,995.94 × 79,305.92
  4. Step 4: Simplify right side
    146,373.92x = 16,019,473,857.96
  5. Step 5: Solve for x
    x = 16,019,473,857.96/146,373.92
  6. Step 6: Final answer
    x = 109,442.13

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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.