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Finding the Fourth Proportional to 74,607.21, 111,760.90 and 37,053.68

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Solution

The fourth proportional to 74,607.21, 111,760.90 and 37,053.68 is: 55,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,607.21 : 111,760.90 = 37,053.68 : x
  2. Step 2: Convert to fraction form
    74,607.21/111,760.90 = 37,053.68/x
  3. Step 3: Cross multiply
    74,607.21x = 111,760.90 × 37,053.68
  4. Step 4: Simplify right side
    74,607.21x = 4,141,151,973.67
  5. Step 5: Solve for x
    x = 4,141,151,973.67/74,607.21
  6. Step 6: Final answer
    x = 55,506.06

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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.