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Finding the Fourth Proportional to 202,271.40, 303,164.10 and 83,881.80

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Solution

The fourth proportional to 202,271.40, 303,164.10 and 83,881.80 is: 125,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,271.40 : 303,164.10 = 83,881.80 : x
  2. Step 2: Convert to fraction form
    202,271.40/303,164.10 = 83,881.80/x
  3. Step 3: Cross multiply
    202,271.40x = 303,164.10 × 83,881.80
  4. Step 4: Simplify right side
    202,271.40x = 25,429,950,403.38
  5. Step 5: Solve for x
    x = 25,429,950,403.38/202,271.40
  6. Step 6: Final answer
    x = 125,721.93

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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.