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Finding the Fourth Proportional to 153,558.41, 230,370.41 and 53,721.86

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Solution

The fourth proportional to 153,558.41, 230,370.41 and 53,721.86 is: 80,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,558.41 : 230,370.41 = 53,721.86 : x
  2. Step 2: Convert to fraction form
    153,558.41/230,370.41 = 53,721.86/x
  3. Step 3: Cross multiply
    153,558.41x = 230,370.41 × 53,721.86
  4. Step 4: Simplify right side
    153,558.41x = 12,375,926,914.16
  5. Step 5: Solve for x
    x = 12,375,926,914.16/153,558.41
  6. Step 6: Final answer
    x = 80,594.26

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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.