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Finding the Fourth Proportional to 123,574.56, 185,252.22 and 60,360

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Solution

The fourth proportional to 123,574.56, 185,252.22 and 60,360 is: 90,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,574.56 : 185,252.22 = 60,360 : x
  2. Step 2: Convert to fraction form
    123,574.56/185,252.22 = 60,360/x
  3. Step 3: Cross multiply
    123,574.56x = 185,252.22 × 60,360
  4. Step 4: Simplify right side
    123,574.56x = 11,181,823,999.20
  5. Step 5: Solve for x
    x = 11,181,823,999.20/123,574.56
  6. Step 6: Final answer
    x = 90,486.46

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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.