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Finding the Fourth Proportional to 105,624.96, 158,442.48 and 26,739.84

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Solution

The fourth proportional to 105,624.96, 158,442.48 and 26,739.84 is: 40,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,624.96 : 158,442.48 = 26,739.84 : x
  2. Step 2: Convert to fraction form
    105,624.96/158,442.48 = 26,739.84/x
  3. Step 3: Cross multiply
    105,624.96x = 158,442.48 × 26,739.84
  4. Step 4: Simplify right side
    105,624.96x = 4,236,726,564.40
  5. Step 5: Solve for x
    x = 4,236,726,564.40/105,624.96
  6. Step 6: Final answer
    x = 40,111.04

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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.