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Finding the Fourth Proportional to 347,199.10, 520,798.65 and 160,108.54

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Solution

The fourth proportional to 347,199.10, 520,798.65 and 160,108.54 is: 240,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,199.10 : 520,798.65 = 160,108.54 : x
  2. Step 2: Convert to fraction form
    347,199.10/520,798.65 = 160,108.54/x
  3. Step 3: Cross multiply
    347,199.10x = 520,798.65 × 160,108.54
  4. Step 4: Simplify right side
    347,199.10x = 83,384,311,485.47
  5. Step 5: Solve for x
    x = 83,384,311,485.47/347,199.10
  6. Step 6: Final answer
    x = 240,162.81

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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.