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Finding the Fourth Proportional to 122,321.64, 168,867.12 and 95,036.76

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Solution

The fourth proportional to 122,321.64, 168,867.12 and 95,036.76 is: 131,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,321.64 : 168,867.12 = 95,036.76 : x
  2. Step 2: Convert to fraction form
    122,321.64/168,867.12 = 95,036.76/x
  3. Step 3: Cross multiply
    122,321.64x = 168,867.12 × 95,036.76
  4. Step 4: Simplify right side
    122,321.64x = 16,048,583,955.33
  5. Step 5: Solve for x
    x = 16,048,583,955.33/122,321.64
  6. Step 6: Final answer
    x = 131,199.88

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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.