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Finding the Fourth Proportional to 266,775.12, 400,094.64 and 108,974.16

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Solution

The fourth proportional to 266,775.12, 400,094.64 and 108,974.16 is: 163,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,775.12 : 400,094.64 = 108,974.16 : x
  2. Step 2: Convert to fraction form
    266,775.12/400,094.64 = 108,974.16/x
  3. Step 3: Cross multiply
    266,775.12x = 400,094.64 × 108,974.16
  4. Step 4: Simplify right side
    266,775.12x = 43,599,977,314.50
  5. Step 5: Solve for x
    x = 43,599,977,314.50/266,775.12
  6. Step 6: Final answer
    x = 163,433.45

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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.