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Finding the Fourth Proportional to 266,826.68, 400,293.56 and 98,347.84

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Solution

The fourth proportional to 266,826.68, 400,293.56 and 98,347.84 is: 147,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,826.68 : 400,293.56 = 98,347.84 : x
  2. Step 2: Convert to fraction form
    266,826.68/400,293.56 = 98,347.84/x
  3. Step 3: Cross multiply
    266,826.68x = 400,293.56 × 98,347.84
  4. Step 4: Simplify right side
    266,826.68x = 39,368,006,991.91
  5. Step 5: Solve for x
    x = 39,368,006,991.91/266,826.68
  6. Step 6: Final answer
    x = 147,541.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.