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Finding the Fourth Proportional to 122,174.44, 168,598.72 and 68,459.32

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Solution

The fourth proportional to 122,174.44, 168,598.72 and 68,459.32 is: 94,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,174.44 : 168,598.72 = 68,459.32 : x
  2. Step 2: Convert to fraction form
    122,174.44/168,598.72 = 68,459.32/x
  3. Step 3: Cross multiply
    122,174.44x = 168,598.72 × 68,459.32
  4. Step 4: Simplify right side
    122,174.44x = 11,542,153,724.07
  5. Step 5: Solve for x
    x = 11,542,153,724.07/122,174.44
  6. Step 6: Final answer
    x = 94,472.74

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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.