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Finding the Fourth Proportional to 266,904.59, 400,361.51 and 98,338.14

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Solution

The fourth proportional to 266,904.59, 400,361.51 and 98,338.14 is: 147,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,904.59 : 400,361.51 = 98,338.14 : x
  2. Step 2: Convert to fraction form
    266,904.59/400,361.51 = 98,338.14/x
  3. Step 3: Cross multiply
    266,904.59x = 400,361.51 × 98,338.14
  4. Step 4: Simplify right side
    266,904.59x = 39,370,805,729.30
  5. Step 5: Solve for x
    x = 39,370,805,729.30/266,904.59
  6. Step 6: Final answer
    x = 147,508.91

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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.