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Finding the Fourth Proportional to 105,750.76, 158,630.44 and 26,867.02

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Solution

The fourth proportional to 105,750.76, 158,630.44 and 26,867.02 is: 40,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,750.76 : 158,630.44 = 26,867.02 : x
  2. Step 2: Convert to fraction form
    105,750.76/158,630.44 = 26,867.02/x
  3. Step 3: Cross multiply
    105,750.76x = 158,630.44 × 26,867.02
  4. Step 4: Simplify right side
    105,750.76x = 4,261,927,204.09
  5. Step 5: Solve for x
    x = 4,261,927,204.09/105,750.76
  6. Step 6: Final answer
    x = 40,301.62

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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.