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Finding the Fourth Proportional to 138,051.01, 207,076.52 and 44,570.53

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Solution

The fourth proportional to 138,051.01, 207,076.52 and 44,570.53 is: 66,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,051.01 : 207,076.52 = 44,570.53 : x
  2. Step 2: Convert to fraction form
    138,051.01/207,076.52 = 44,570.53/x
  3. Step 3: Cross multiply
    138,051.01x = 207,076.52 × 44,570.53
  4. Step 4: Simplify right side
    138,051.01x = 9,229,510,246.96
  5. Step 5: Solve for x
    x = 9,229,510,246.96/138,051.01
  6. Step 6: Final answer
    x = 66,855.80

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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.