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Finding the Fourth Proportional to 347,434.62, 521,041.21 and 110,721.94

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Solution

The fourth proportional to 347,434.62, 521,041.21 and 110,721.94 is: 166,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,434.62 : 521,041.21 = 110,721.94 : x
  2. Step 2: Convert to fraction form
    347,434.62/521,041.21 = 110,721.94/x
  3. Step 3: Cross multiply
    347,434.62x = 521,041.21 × 110,721.94
  4. Step 4: Simplify right side
    347,434.62x = 57,690,692,011.74
  5. Step 5: Solve for x
    x = 57,690,692,011.74/347,434.62
  6. Step 6: Final answer
    x = 166,047.62

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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.