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Finding the Fourth Proportional to 463,866.88, 695,806.88 and 131,442.88

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Solution

The fourth proportional to 463,866.88, 695,806.88 and 131,442.88 is: 197,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,866.88 : 695,806.88 = 131,442.88 : x
  2. Step 2: Convert to fraction form
    463,866.88/695,806.88 = 131,442.88/x
  3. Step 3: Cross multiply
    463,866.88x = 695,806.88 × 131,442.88
  4. Step 4: Simplify right side
    463,866.88x = 91,458,860,231.01
  5. Step 5: Solve for x
    x = 91,458,860,231.01/463,866.88
  6. Step 6: Final answer
    x = 197,166.18

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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.