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Finding the Fourth Proportional to 111,472.76, 167,225.46 and 52,314.41

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Solution

The fourth proportional to 111,472.76, 167,225.46 and 52,314.41 is: 78,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,472.76 : 167,225.46 = 52,314.41 : x
  2. Step 2: Convert to fraction form
    111,472.76/167,225.46 = 52,314.41/x
  3. Step 3: Cross multiply
    111,472.76x = 167,225.46 × 52,314.41
  4. Step 4: Simplify right side
    111,472.76x = 8,748,301,276.88
  5. Step 5: Solve for x
    x = 8,748,301,276.88/111,472.76
  6. Step 6: Final answer
    x = 78,479.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.