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Finding the Fourth Proportional to 170,803.70, 256,229.85 and 52,457.30

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Solution

The fourth proportional to 170,803.70, 256,229.85 and 52,457.30 is: 78,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,803.70 : 256,229.85 = 52,457.30 : x
  2. Step 2: Convert to fraction form
    170,803.70/256,229.85 = 52,457.30/x
  3. Step 3: Cross multiply
    170,803.70x = 256,229.85 × 52,457.30
  4. Step 4: Simplify right side
    170,803.70x = 13,441,126,110.41
  5. Step 5: Solve for x
    x = 13,441,126,110.41/170,803.70
  6. Step 6: Final answer
    x = 78,693.41

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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.