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Finding the Fourth Proportional to 264,840.72, 365,598 and 157,445.52

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Solution

The fourth proportional to 264,840.72, 365,598 and 157,445.52 is: 217,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,840.72 : 365,598 = 157,445.52 : x
  2. Step 2: Convert to fraction form
    264,840.72/365,598 = 157,445.52/x
  3. Step 3: Cross multiply
    264,840.72x = 365,598 × 157,445.52
  4. Step 4: Simplify right side
    264,840.72x = 57,561,767,220.96
  5. Step 5: Solve for x
    x = 57,561,767,220.96/264,840.72
  6. Step 6: Final answer
    x = 217,344.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.