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Finding the Fourth Proportional to 215,364.77, 323,035.37 and 65,592.53

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Solution

The fourth proportional to 215,364.77, 323,035.37 and 65,592.53 is: 98,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,364.77 : 323,035.37 = 65,592.53 : x
  2. Step 2: Convert to fraction form
    215,364.77/323,035.37 = 65,592.53/x
  3. Step 3: Cross multiply
    215,364.77x = 323,035.37 × 65,592.53
  4. Step 4: Simplify right side
    215,364.77x = 21,188,707,197.79
  5. Step 5: Solve for x
    x = 21,188,707,197.79/215,364.77
  6. Step 6: Final answer
    x = 98,385.21

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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.