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Finding the Fourth Proportional to 224,450.13, 309,741.03 and 143,877.63

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Solution

The fourth proportional to 224,450.13, 309,741.03 and 143,877.63 is: 198,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,450.13 : 309,741.03 = 143,877.63 : x
  2. Step 2: Convert to fraction form
    224,450.13/309,741.03 = 143,877.63/x
  3. Step 3: Cross multiply
    224,450.13x = 309,741.03 × 143,877.63
  4. Step 4: Simplify right side
    224,450.13x = 44,564,805,310.16
  5. Step 5: Solve for x
    x = 44,564,805,310.16/224,450.13
  6. Step 6: Final answer
    x = 198,551.03

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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.