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Finding the Fourth Proportional to 108,658.51, 162,980.60 and 37,564.61

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Solution

The fourth proportional to 108,658.51, 162,980.60 and 37,564.61 is: 56,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,658.51 : 162,980.60 = 37,564.61 : x
  2. Step 2: Convert to fraction form
    108,658.51/162,980.60 = 37,564.61/x
  3. Step 3: Cross multiply
    108,658.51x = 162,980.60 × 37,564.61
  4. Step 4: Simplify right side
    108,658.51x = 6,122,301,673.84
  5. Step 5: Solve for x
    x = 6,122,301,673.84/108,658.51
  6. Step 6: Final answer
    x = 56,344.43

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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.