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Finding the Fourth Proportional to 113,489.56, 156,562.95 and 73,216.24

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Solution

The fourth proportional to 113,489.56, 156,562.95 and 73,216.24 is: 101,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,489.56 : 156,562.95 = 73,216.24 : x
  2. Step 2: Convert to fraction form
    113,489.56/156,562.95 = 73,216.24/x
  3. Step 3: Cross multiply
    113,489.56x = 156,562.95 × 73,216.24
  4. Step 4: Simplify right side
    113,489.56x = 11,462,950,522.31
  5. Step 5: Solve for x
    x = 11,462,950,522.31/113,489.56
  6. Step 6: Final answer
    x = 101,004.45

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1.5x scale

Why These Related Problems?

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