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Finding the Fourth Proportional to 113,346.52, 156,359.10 and 73,049.56

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Solution

The fourth proportional to 113,346.52, 156,359.10 and 73,049.56 is: 100,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.52 : 156,359.10 = 73,049.56 : x
  2. Step 2: Convert to fraction form
    113,346.52/156,359.10 = 73,049.56/x
  3. Step 3: Cross multiply
    113,346.52x = 156,359.10 × 73,049.56
  4. Step 4: Simplify right side
    113,346.52x = 11,421,963,457.00
  5. Step 5: Solve for x
    x = 11,421,963,457.00/113,346.52
  6. Step 6: Final answer
    x = 100,770.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.