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Finding the Fourth Proportional to 101,457.60, 140,060.28 and 67,522.56

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Solution

The fourth proportional to 101,457.60, 140,060.28 and 67,522.56 is: 93,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,457.60 : 140,060.28 = 67,522.56 : x
  2. Step 2: Convert to fraction form
    101,457.60/140,060.28 = 67,522.56/x
  3. Step 3: Cross multiply
    101,457.60x = 140,060.28 × 67,522.56
  4. Step 4: Simplify right side
    101,457.60x = 9,457,228,659.92
  5. Step 5: Solve for x
    x = 9,457,228,659.92/101,457.60
  6. Step 6: Final answer
    x = 93,213.61

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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.