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Finding the Fourth Proportional to 267,187, 400,807.06 and 98,751.48

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Solution

The fourth proportional to 267,187, 400,807.06 and 98,751.48 is: 148,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,187 : 400,807.06 = 98,751.48 : x
  2. Step 2: Convert to fraction form
    267,187/400,807.06 = 98,751.48/x
  3. Step 3: Cross multiply
    267,187x = 400,807.06 × 98,751.48
  4. Step 4: Simplify right side
    267,187x = 39,580,290,369.45
  5. Step 5: Solve for x
    x = 39,580,290,369.45/267,187
  6. Step 6: Final answer
    x = 148,137.04

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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.