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Finding the Fourth Proportional to 180,196.49, 248,676.34 and 99,629.21

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Solution

The fourth proportional to 180,196.49, 248,676.34 and 99,629.21 is: 137,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,196.49 : 248,676.34 = 99,629.21 : x
  2. Step 2: Convert to fraction form
    180,196.49/248,676.34 = 99,629.21/x
  3. Step 3: Cross multiply
    180,196.49x = 248,676.34 × 99,629.21
  4. Step 4: Simplify right side
    180,196.49x = 24,775,428,170.66
  5. Step 5: Solve for x
    x = 24,775,428,170.66/180,196.49
  6. Step 6: Final answer
    x = 137,491.18

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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.