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Finding the Fourth Proportional to 108,036.58, 162,054.86 and 29,150.80

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Solution

The fourth proportional to 108,036.58, 162,054.86 and 29,150.80 is: 43,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,036.58 : 162,054.86 = 29,150.80 : x
  2. Step 2: Convert to fraction form
    108,036.58/162,054.86 = 29,150.80/x
  3. Step 3: Cross multiply
    108,036.58x = 162,054.86 × 29,150.80
  4. Step 4: Simplify right side
    108,036.58x = 4,724,029,088.33
  5. Step 5: Solve for x
    x = 4,724,029,088.33/108,036.58
  6. Step 6: Final answer
    x = 43,726.20

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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.