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Finding the Fourth Proportional to 344,672.72, 517,011.48 and 120,032.72

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Solution

The fourth proportional to 344,672.72, 517,011.48 and 120,032.72 is: 180,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,672.72 : 517,011.48 = 120,032.72 : x
  2. Step 2: Convert to fraction form
    344,672.72/517,011.48 = 120,032.72/x
  3. Step 3: Cross multiply
    344,672.72x = 517,011.48 × 120,032.72
  4. Step 4: Simplify right side
    344,672.72x = 62,058,294,215.63
  5. Step 5: Solve for x
    x = 62,058,294,215.63/344,672.72
  6. Step 6: Final answer
    x = 180,049.92

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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.