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Finding the Fourth Proportional to 105,353.44, 158,030.31 and 43,023.94

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Solution

The fourth proportional to 105,353.44, 158,030.31 and 43,023.94 is: 64,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,353.44 : 158,030.31 = 43,023.94 : x
  2. Step 2: Convert to fraction form
    105,353.44/158,030.31 = 43,023.94/x
  3. Step 3: Cross multiply
    105,353.44x = 158,030.31 × 43,023.94
  4. Step 4: Simplify right side
    105,353.44x = 6,799,086,341.89
  5. Step 5: Solve for x
    x = 6,799,086,341.89/105,353.44
  6. Step 6: Final answer
    x = 64,535.97

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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.