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Finding the Fourth Proportional to 130,216.34, 179,702.34 and 73,626.50

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Solution

The fourth proportional to 130,216.34, 179,702.34 and 73,626.50 is: 101,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,216.34 : 179,702.34 = 73,626.50 : x
  2. Step 2: Convert to fraction form
    130,216.34/179,702.34 = 73,626.50/x
  3. Step 3: Cross multiply
    130,216.34x = 179,702.34 × 73,626.50
  4. Step 4: Simplify right side
    130,216.34x = 13,230,854,336.01
  5. Step 5: Solve for x
    x = 13,230,854,336.01/130,216.34
  6. Step 6: Final answer
    x = 101,606.71

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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.