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Finding the Fourth Proportional to 266,461.90, 399,676.44 and 88,954.04

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Solution

The fourth proportional to 266,461.90, 399,676.44 and 88,954.04 is: 133,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,461.90 : 399,676.44 = 88,954.04 : x
  2. Step 2: Convert to fraction form
    266,461.90/399,676.44 = 88,954.04/x
  3. Step 3: Cross multiply
    266,461.90x = 399,676.44 × 88,954.04
  4. Step 4: Simplify right side
    266,461.90x = 35,552,834,030.82
  5. Step 5: Solve for x
    x = 35,552,834,030.82/266,461.90
  6. Step 6: Final answer
    x = 133,425.58

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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.