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Finding the Fourth Proportional to 67,103.51, 100,637.64 and 35,470.98

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Solution

The fourth proportional to 67,103.51, 100,637.64 and 35,470.98 is: 53,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,103.51 : 100,637.64 = 35,470.98 : x
  2. Step 2: Convert to fraction form
    67,103.51/100,637.64 = 35,470.98/x
  3. Step 3: Cross multiply
    67,103.51x = 100,637.64 × 35,470.98
  4. Step 4: Simplify right side
    67,103.51x = 3,569,715,715.69
  5. Step 5: Solve for x
    x = 3,569,715,715.69/67,103.51
  6. Step 6: Final answer
    x = 53,197.16

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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.