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Finding the Fourth Proportional to 135,103.76, 202,651.04 and 64,060.43

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Solution

The fourth proportional to 135,103.76, 202,651.04 and 64,060.43 is: 96,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,103.76 : 202,651.04 = 64,060.43 : x
  2. Step 2: Convert to fraction form
    135,103.76/202,651.04 = 64,060.43/x
  3. Step 3: Cross multiply
    135,103.76x = 202,651.04 × 64,060.43
  4. Step 4: Simplify right side
    135,103.76x = 12,981,911,428.79
  5. Step 5: Solve for x
    x = 12,981,911,428.79/135,103.76
  6. Step 6: Final answer
    x = 96,088.46

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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.