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Finding the Fourth Proportional to 237,333.79, 355,945.31 and 68,808.89

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Solution

The fourth proportional to 237,333.79, 355,945.31 and 68,808.89 is: 103,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,333.79 : 355,945.31 = 68,808.89 : x
  2. Step 2: Convert to fraction form
    237,333.79/355,945.31 = 68,808.89/x
  3. Step 3: Cross multiply
    237,333.79x = 355,945.31 × 68,808.89
  4. Step 4: Simplify right side
    237,333.79x = 24,492,199,902.08
  5. Step 5: Solve for x
    x = 24,492,199,902.08/237,333.79
  6. Step 6: Final answer
    x = 103,197.27

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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.