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Finding the Fourth Proportional to 265,402.65, 398,209.23 and 96,933.94

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Solution

The fourth proportional to 265,402.65, 398,209.23 and 96,933.94 is: 145,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,402.65 : 398,209.23 = 96,933.94 : x
  2. Step 2: Convert to fraction form
    265,402.65/398,209.23 = 96,933.94/x
  3. Step 3: Cross multiply
    265,402.65x = 398,209.23 × 96,933.94
  4. Step 4: Simplify right side
    265,402.65x = 38,599,989,608.27
  5. Step 5: Solve for x
    x = 38,599,989,608.27/265,402.65
  6. Step 6: Final answer
    x = 145,439.35

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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.