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Finding the Fourth Proportional to 266,893.58, 400,498.22 and 98,531.03

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Solution

The fourth proportional to 266,893.58, 400,498.22 and 98,531.03 is: 147,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,893.58 : 400,498.22 = 98,531.03 : x
  2. Step 2: Convert to fraction form
    266,893.58/400,498.22 = 98,531.03/x
  3. Step 3: Cross multiply
    266,893.58x = 400,498.22 × 98,531.03
  4. Step 4: Simplify right side
    266,893.58x = 39,461,503,377.34
  5. Step 5: Solve for x
    x = 39,461,503,377.34/266,893.58
  6. Step 6: Final answer
    x = 147,854.82

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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.