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Finding the Fourth Proportional to 411,050.04, 616,502.27 and 111,553.91

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Solution

The fourth proportional to 411,050.04, 616,502.27 and 111,553.91 is: 167,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,050.04 : 616,502.27 = 111,553.91 : x
  2. Step 2: Convert to fraction form
    411,050.04/616,502.27 = 111,553.91/x
  3. Step 3: Cross multiply
    411,050.04x = 616,502.27 × 111,553.91
  4. Step 4: Simplify right side
    411,050.04x = 68,773,235,659.86
  5. Step 5: Solve for x
    x = 68,773,235,659.86/411,050.04
  6. Step 6: Final answer
    x = 167,311.10

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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.