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Finding the Fourth Proportional to 347,370.80, 521,007.60 and 110,737.40

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Solution

The fourth proportional to 347,370.80, 521,007.60 and 110,737.40 is: 166,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,370.80 : 521,007.60 = 110,737.40 : x
  2. Step 2: Convert to fraction form
    347,370.80/521,007.60 = 110,737.40/x
  3. Step 3: Cross multiply
    347,370.80x = 521,007.60 × 110,737.40
  4. Step 4: Simplify right side
    347,370.80x = 57,695,027,004.24
  5. Step 5: Solve for x
    x = 57,695,027,004.24/347,370.80
  6. Step 6: Final answer
    x = 166,090.61

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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.