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Finding the Fourth Proportional to 180,195.06, 248,650.14 and 99,609.60

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Solution

The fourth proportional to 180,195.06, 248,650.14 and 99,609.60 is: 137,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,195.06 : 248,650.14 = 99,609.60 : x
  2. Step 2: Convert to fraction form
    180,195.06/248,650.14 = 99,609.60/x
  3. Step 3: Cross multiply
    180,195.06x = 248,650.14 × 99,609.60
  4. Step 4: Simplify right side
    180,195.06x = 24,767,940,985.34
  5. Step 5: Solve for x
    x = 24,767,940,985.34/180,195.06
  6. Step 6: Final answer
    x = 137,450.72

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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.