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Finding the Fourth Proportional to 202,130.70, 303,196.95 and 52,360.35

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Solution

The fourth proportional to 202,130.70, 303,196.95 and 52,360.35 is: 78,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,130.70 : 303,196.95 = 52,360.35 : x
  2. Step 2: Convert to fraction form
    202,130.70/303,196.95 = 52,360.35/x
  3. Step 3: Cross multiply
    202,130.70x = 303,196.95 × 52,360.35
  4. Step 4: Simplify right side
    202,130.70x = 15,875,498,420.93
  5. Step 5: Solve for x
    x = 15,875,498,420.93/202,130.70
  6. Step 6: Final answer
    x = 78,540.76

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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.