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Finding the Fourth Proportional to 202,052.93, 303,068.40 and 61,811.55

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Solution

The fourth proportional to 202,052.93, 303,068.40 and 61,811.55 is: 92,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,052.93 : 303,068.40 = 61,811.55 : x
  2. Step 2: Convert to fraction form
    202,052.93/303,068.40 = 61,811.55/x
  3. Step 3: Cross multiply
    202,052.93x = 303,068.40 × 61,811.55
  4. Step 4: Simplify right side
    202,052.93x = 18,733,127,560.02
  5. Step 5: Solve for x
    x = 18,733,127,560.02/202,052.93
  6. Step 6: Final answer
    x = 92,713.96

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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.