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Finding the Fourth Proportional to 123,466.90, 185,269 and 60,287.84

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Solution

The fourth proportional to 123,466.90, 185,269 and 60,287.84 is: 90,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,466.90 : 185,269 = 60,287.84 : x
  2. Step 2: Convert to fraction form
    123,466.90/185,269 = 60,287.84/x
  3. Step 3: Cross multiply
    123,466.90x = 185,269 × 60,287.84
  4. Step 4: Simplify right side
    123,466.90x = 11,169,467,828.96
  5. Step 5: Solve for x
    x = 11,169,467,828.96/123,466.90
  6. Step 6: Final answer
    x = 90,465.28

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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.