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Finding the Fourth Proportional to 119,055.93, 178,610.31 and 40,168.41

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Solution

The fourth proportional to 119,055.93, 178,610.31 and 40,168.41 is: 60,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,055.93 : 178,610.31 = 40,168.41 : x
  2. Step 2: Convert to fraction form
    119,055.93/178,610.31 = 40,168.41/x
  3. Step 3: Cross multiply
    119,055.93x = 178,610.31 × 40,168.41
  4. Step 4: Simplify right side
    119,055.93x = 7,174,492,162.31
  5. Step 5: Solve for x
    x = 7,174,492,162.31/119,055.93
  6. Step 6: Final answer
    x = 60,261.53

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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.