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Finding the Fourth Proportional to 202,051.43, 303,066.16 and 61,810.05

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Solution

The fourth proportional to 202,051.43, 303,066.16 and 61,810.05 is: 92,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,051.43 : 303,066.16 = 61,810.05 : x
  2. Step 2: Convert to fraction form
    202,051.43/303,066.16 = 61,810.05/x
  3. Step 3: Cross multiply
    202,051.43x = 303,066.16 × 61,810.05
  4. Step 4: Simplify right side
    202,051.43x = 18,732,535,484.88
  5. Step 5: Solve for x
    x = 18,732,535,484.88/202,051.43
  6. Step 6: Final answer
    x = 92,711.72

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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.