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Finding the Fourth Proportional to 146,658.04, 202,388.09 and 79,590.04

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Solution

The fourth proportional to 146,658.04, 202,388.09 and 79,590.04 is: 109,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,658.04 : 202,388.09 = 79,590.04 : x
  2. Step 2: Convert to fraction form
    146,658.04/202,388.09 = 79,590.04/x
  3. Step 3: Cross multiply
    146,658.04x = 202,388.09 × 79,590.04
  4. Step 4: Simplify right side
    146,658.04x = 16,108,076,178.62
  5. Step 5: Solve for x
    x = 16,108,076,178.62/146,658.04
  6. Step 6: Final answer
    x = 109,834.25

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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.