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Finding the Fourth Proportional to 122,504.44, 169,064.52 and 68,063.16

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Solution

The fourth proportional to 122,504.44, 169,064.52 and 68,063.16 is: 93,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,504.44 : 169,064.52 = 68,063.16 : x
  2. Step 2: Convert to fraction form
    122,504.44/169,064.52 = 68,063.16/x
  3. Step 3: Cross multiply
    122,504.44x = 169,064.52 × 68,063.16
  4. Step 4: Simplify right side
    122,504.44x = 11,507,065,475.08
  5. Step 5: Solve for x
    x = 11,507,065,475.08/122,504.44
  6. Step 6: Final answer
    x = 93,931.82

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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.