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Finding the Fourth Proportional to 202,237.40, 303,465.45 and 89,934.95

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Solution

The fourth proportional to 202,237.40, 303,465.45 and 89,934.95 is: 134,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,237.40 : 303,465.45 = 89,934.95 : x
  2. Step 2: Convert to fraction form
    202,237.40/303,465.45 = 89,934.95/x
  3. Step 3: Cross multiply
    202,237.40x = 303,465.45 × 89,934.95
  4. Step 4: Simplify right side
    202,237.40x = 27,292,150,072.48
  5. Step 5: Solve for x
    x = 27,292,150,072.48/202,237.40
  6. Step 6: Final answer
    x = 134,951.05

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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.