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Finding the Fourth Proportional to 113,573.70, 156,648.33 and 73,267.02

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Solution

The fourth proportional to 113,573.70, 156,648.33 and 73,267.02 is: 101,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,573.70 : 156,648.33 = 73,267.02 : x
  2. Step 2: Convert to fraction form
    113,573.70/156,648.33 = 73,267.02/x
  3. Step 3: Cross multiply
    113,573.70x = 156,648.33 × 73,267.02
  4. Step 4: Simplify right side
    113,573.70x = 11,477,156,327.08
  5. Step 5: Solve for x
    x = 11,477,156,327.08/113,573.70
  6. Step 6: Final answer
    x = 101,054.70

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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.