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Finding the Fourth Proportional to 224,315.22, 336,420.96 and 66,505.62

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Solution

The fourth proportional to 224,315.22, 336,420.96 and 66,505.62 is: 99,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,315.22 : 336,420.96 = 66,505.62 : x
  2. Step 2: Convert to fraction form
    224,315.22/336,420.96 = 66,505.62/x
  3. Step 3: Cross multiply
    224,315.22x = 336,420.96 × 66,505.62
  4. Step 4: Simplify right side
    224,315.22x = 22,373,884,525.80
  5. Step 5: Solve for x
    x = 22,373,884,525.80/224,315.22
  6. Step 6: Final answer
    x = 99,743.05

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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.