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Finding the Fourth Proportional to 150,641.51, 225,962.19 and 57,147.26

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Solution

The fourth proportional to 150,641.51, 225,962.19 and 57,147.26 is: 85,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,641.51 : 225,962.19 = 57,147.26 : x
  2. Step 2: Convert to fraction form
    150,641.51/225,962.19 = 57,147.26/x
  3. Step 3: Cross multiply
    150,641.51x = 225,962.19 × 57,147.26
  4. Step 4: Simplify right side
    150,641.51x = 12,913,118,892.29
  5. Step 5: Solve for x
    x = 12,913,118,892.29/150,641.51
  6. Step 6: Final answer
    x = 85,720.86

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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.