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Finding the Fourth Proportional to 282,989.79, 424,526.37 and 93,469.86

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Solution

The fourth proportional to 282,989.79, 424,526.37 and 93,469.86 is: 140,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,989.79 : 424,526.37 = 93,469.86 : x
  2. Step 2: Convert to fraction form
    282,989.79/424,526.37 = 93,469.86/x
  3. Step 3: Cross multiply
    282,989.79x = 424,526.37 × 93,469.86
  4. Step 4: Simplify right side
    282,989.79x = 39,680,420,370.21
  5. Step 5: Solve for x
    x = 39,680,420,370.21/282,989.79
  6. Step 6: Final answer
    x = 140,218.56

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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.