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Finding the Fourth Proportional to 230,295.56, 345,000.18 and 141,289.16

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Solution

The fourth proportional to 230,295.56, 345,000.18 and 141,289.16 is: 211,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,295.56 : 345,000.18 = 141,289.16 : x
  2. Step 2: Convert to fraction form
    230,295.56/345,000.18 = 141,289.16/x
  3. Step 3: Cross multiply
    230,295.56x = 345,000.18 × 141,289.16
  4. Step 4: Simplify right side
    230,295.56x = 48,744,785,632.05
  5. Step 5: Solve for x
    x = 48,744,785,632.05/230,295.56
  6. Step 6: Final answer
    x = 211,661.86

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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.