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Finding the Fourth Proportional to 202,636.40, 303,925.80 and 62,409.20

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Solution

The fourth proportional to 202,636.40, 303,925.80 and 62,409.20 is: 93,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,636.40 : 303,925.80 = 62,409.20 : x
  2. Step 2: Convert to fraction form
    202,636.40/303,925.80 = 62,409.20/x
  3. Step 3: Cross multiply
    202,636.40x = 303,925.80 × 62,409.20
  4. Step 4: Simplify right side
    202,636.40x = 18,967,766,037.36
  5. Step 5: Solve for x
    x = 18,967,766,037.36/202,636.40
  6. Step 6: Final answer
    x = 93,604.93

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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.