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Finding the Fourth Proportional to 347,732.79, 521,537.52 and 158,148.74

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Solution

The fourth proportional to 347,732.79, 521,537.52 and 158,148.74 is: 237,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,732.79 : 521,537.52 = 158,148.74 : x
  2. Step 2: Convert to fraction form
    347,732.79/521,537.52 = 158,148.74/x
  3. Step 3: Cross multiply
    347,732.79x = 521,537.52 × 158,148.74
  4. Step 4: Simplify right side
    347,732.79x = 82,480,501,650.72
  5. Step 5: Solve for x
    x = 82,480,501,650.72/347,732.79
  6. Step 6: Final answer
    x = 237,195.06

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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.