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Finding the Fourth Proportional to 267,495.75, 400,960.80 and 98,907.89

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Solution

The fourth proportional to 267,495.75, 400,960.80 and 98,907.89 is: 148,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,495.75 : 400,960.80 = 98,907.89 : x
  2. Step 2: Convert to fraction form
    267,495.75/400,960.80 = 98,907.89/x
  3. Step 3: Cross multiply
    267,495.75x = 400,960.80 × 98,907.89
  4. Step 4: Simplify right side
    267,495.75x = 39,658,184,695.91
  5. Step 5: Solve for x
    x = 39,658,184,695.91/267,495.75
  6. Step 6: Final answer
    x = 148,257.25

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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.