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Finding the Fourth Proportional to 347,079.24, 520,668.24 and 107,213.52

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Solution

The fourth proportional to 347,079.24, 520,668.24 and 107,213.52 is: 160,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,079.24 : 520,668.24 = 107,213.52 : x
  2. Step 2: Convert to fraction form
    347,079.24/520,668.24 = 107,213.52/x
  3. Step 3: Cross multiply
    347,079.24x = 520,668.24 × 107,213.52
  4. Step 4: Simplify right side
    347,079.24x = 55,822,674,762.60
  5. Step 5: Solve for x
    x = 55,822,674,762.60/347,079.24
  6. Step 6: Final answer
    x = 160,835.53

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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.