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Finding the Fourth Proportional to 137,985.48, 207,004.62 and 44,466.12

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Solution

The fourth proportional to 137,985.48, 207,004.62 and 44,466.12 is: 66,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,985.48 : 207,004.62 = 44,466.12 : x
  2. Step 2: Convert to fraction form
    137,985.48/207,004.62 = 44,466.12/x
  3. Step 3: Cross multiply
    137,985.48x = 207,004.62 × 44,466.12
  4. Step 4: Simplify right side
    137,985.48x = 9,204,692,273.47
  5. Step 5: Solve for x
    x = 9,204,692,273.47/137,985.48
  6. Step 6: Final answer
    x = 66,707.69

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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.