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Finding the Fourth Proportional to 224,608.72, 309,987.22 and 127,836.11

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Solution

The fourth proportional to 224,608.72, 309,987.22 and 127,836.11 is: 176,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,608.72 : 309,987.22 = 127,836.11 : x
  2. Step 2: Convert to fraction form
    224,608.72/309,987.22 = 127,836.11/x
  3. Step 3: Cross multiply
    224,608.72x = 309,987.22 × 127,836.11
  4. Step 4: Simplify right side
    224,608.72x = 39,627,560,354.51
  5. Step 5: Solve for x
    x = 39,627,560,354.51/224,608.72
  6. Step 6: Final answer
    x = 176,429.30

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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.