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Finding the Fourth Proportional to 202,666.77, 303,836.17 and 84,426.93

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Solution

The fourth proportional to 202,666.77, 303,836.17 and 84,426.93 is: 126,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,666.77 : 303,836.17 = 84,426.93 : x
  2. Step 2: Convert to fraction form
    202,666.77/303,836.17 = 84,426.93/x
  3. Step 3: Cross multiply
    202,666.77x = 303,836.17 × 84,426.93
  4. Step 4: Simplify right side
    202,666.77x = 25,651,955,056.06
  5. Step 5: Solve for x
    x = 25,651,955,056.06/202,666.77
  6. Step 6: Final answer
    x = 126,572.08

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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.