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Finding the Fourth Proportional to 60,209.94, 83,100 and 34,711.68

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Solution

The fourth proportional to 60,209.94, 83,100 and 34,711.68 is: 47,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,209.94 : 83,100 = 34,711.68 : x
  2. Step 2: Convert to fraction form
    60,209.94/83,100 = 34,711.68/x
  3. Step 3: Cross multiply
    60,209.94x = 83,100 × 34,711.68
  4. Step 4: Simplify right side
    60,209.94x = 2,884,540,608
  5. Step 5: Solve for x
    x = 2,884,540,608/60,209.94
  6. Step 6: Final answer
    x = 47,908.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.