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Finding the Fourth Proportional to 105,773.54, 158,815.83 and 43,565.54

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Solution

The fourth proportional to 105,773.54, 158,815.83 and 43,565.54 is: 65,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,773.54 : 158,815.83 = 43,565.54 : x
  2. Step 2: Convert to fraction form
    105,773.54/158,815.83 = 43,565.54/x
  3. Step 3: Cross multiply
    105,773.54x = 158,815.83 × 43,565.54
  4. Step 4: Simplify right side
    105,773.54x = 6,918,897,394.50
  5. Step 5: Solve for x
    x = 6,918,897,394.50/105,773.54
  6. Step 6: Final answer
    x = 65,412.36

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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.