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Finding the Fourth Proportional to 180,186.58, 248,664.50 and 119,652.85

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Solution

The fourth proportional to 180,186.58, 248,664.50 and 119,652.85 is: 165,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,186.58 : 248,664.50 = 119,652.85 : x
  2. Step 2: Convert to fraction form
    180,186.58/248,664.50 = 119,652.85/x
  3. Step 3: Cross multiply
    180,186.58x = 248,664.50 × 119,652.85
  4. Step 4: Simplify right side
    180,186.58x = 29,753,416,118.83
  5. Step 5: Solve for x
    x = 29,753,416,118.83/180,186.58
  6. Step 6: Final answer
    x = 165,125.59

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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.