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Finding the Fourth Proportional to 227,703.20, 341,426.80 and 87,466.40

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Solution

The fourth proportional to 227,703.20, 341,426.80 and 87,466.40 is: 131,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,703.20 : 341,426.80 = 87,466.40 : x
  2. Step 2: Convert to fraction form
    227,703.20/341,426.80 = 87,466.40/x
  3. Step 3: Cross multiply
    227,703.20x = 341,426.80 × 87,466.40
  4. Step 4: Simplify right side
    227,703.20x = 29,863,373,059.52
  5. Step 5: Solve for x
    x = 29,863,373,059.52/227,703.20
  6. Step 6: Final answer
    x = 131,150.43

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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.