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Finding the Fourth Proportional to 202,485.12, 303,719.04 and 62,237.76

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Solution

The fourth proportional to 202,485.12, 303,719.04 and 62,237.76 is: 93,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,485.12 : 303,719.04 = 62,237.76 : x
  2. Step 2: Convert to fraction form
    202,485.12/303,719.04 = 62,237.76/x
  3. Step 3: Cross multiply
    202,485.12x = 303,719.04 × 62,237.76
  4. Step 4: Simplify right side
    202,485.12x = 18,902,792,718.95
  5. Step 5: Solve for x
    x = 18,902,792,718.95/202,485.12
  6. Step 6: Final answer
    x = 93,353.98

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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.