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Finding the Fourth Proportional to 228,153.89, 342,204.68 and 59,690.48

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Solution

The fourth proportional to 228,153.89, 342,204.68 and 59,690.48 is: 89,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,153.89 : 342,204.68 = 59,690.48 : x
  2. Step 2: Convert to fraction form
    228,153.89/342,204.68 = 59,690.48/x
  3. Step 3: Cross multiply
    228,153.89x = 342,204.68 × 59,690.48
  4. Step 4: Simplify right side
    228,153.89x = 20,426,359,896.42
  5. Step 5: Solve for x
    x = 20,426,359,896.42/228,153.89
  6. Step 6: Final answer
    x = 89,528.87

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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.