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Finding the Fourth Proportional to 108,726.51, 163,050.69 and 37,629.86

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Solution

The fourth proportional to 108,726.51, 163,050.69 and 37,629.86 is: 56,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,726.51 : 163,050.69 = 37,629.86 : x
  2. Step 2: Convert to fraction form
    108,726.51/163,050.69 = 37,629.86/x
  3. Step 3: Cross multiply
    108,726.51x = 163,050.69 × 37,629.86
  4. Step 4: Simplify right side
    108,726.51x = 6,135,573,822.35
  5. Step 5: Solve for x
    x = 6,135,573,822.35/108,726.51
  6. Step 6: Final answer
    x = 56,431.26

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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.