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Finding the Fourth Proportional to 180,196.74, 248,676.69 and 99,629.46

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Solution

The fourth proportional to 180,196.74, 248,676.69 and 99,629.46 is: 137,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,196.74 : 248,676.69 = 99,629.46 : x
  2. Step 2: Convert to fraction form
    180,196.74/248,676.69 = 99,629.46/x
  3. Step 3: Cross multiply
    180,196.74x = 248,676.69 × 99,629.46
  4. Step 4: Simplify right side
    180,196.74x = 24,775,523,841.14
  5. Step 5: Solve for x
    x = 24,775,523,841.14/180,196.74
  6. Step 6: Final answer
    x = 137,491.52

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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.