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Finding the Fourth Proportional to 247,586.72, 371,404.67 and 89,827.47

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Solution

The fourth proportional to 247,586.72, 371,404.67 and 89,827.47 is: 134,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,586.72 : 371,404.67 = 89,827.47 : x
  2. Step 2: Convert to fraction form
    247,586.72/371,404.67 = 89,827.47/x
  3. Step 3: Cross multiply
    247,586.72x = 371,404.67 × 89,827.47
  4. Step 4: Simplify right side
    247,586.72x = 33,362,341,403.15
  5. Step 5: Solve for x
    x = 33,362,341,403.15/247,586.72
  6. Step 6: Final answer
    x = 134,750.13

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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.