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Finding the Fourth Proportional to 190,321.92, 285,599.52 and 151,014.24

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Solution

The fourth proportional to 190,321.92, 285,599.52 and 151,014.24 is: 226,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,321.92 : 285,599.52 = 151,014.24 : x
  2. Step 2: Convert to fraction form
    190,321.92/285,599.52 = 151,014.24/x
  3. Step 3: Cross multiply
    190,321.92x = 285,599.52 × 151,014.24
  4. Step 4: Simplify right side
    190,321.92x = 43,129,594,457.16
  5. Step 5: Solve for x
    x = 43,129,594,457.16/190,321.92
  6. Step 6: Final answer
    x = 226,613.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.