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Finding the Fourth Proportional to 243,222.48, 364,841.92 and 65,731.03

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Solution

The fourth proportional to 243,222.48, 364,841.92 and 65,731.03 is: 98,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,222.48 : 364,841.92 = 65,731.03 : x
  2. Step 2: Convert to fraction form
    243,222.48/364,841.92 = 65,731.03/x
  3. Step 3: Cross multiply
    243,222.48x = 364,841.92 × 65,731.03
  4. Step 4: Simplify right side
    243,222.48x = 23,981,434,358.84
  5. Step 5: Solve for x
    x = 23,981,434,358.84/243,222.48
  6. Step 6: Final answer
    x = 98,598.76

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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.