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Finding the Fourth Proportional to 264,673.12, 365,207.79 and 157,240.39

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Solution

The fourth proportional to 264,673.12, 365,207.79 and 157,240.39 is: 216,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,673.12 : 365,207.79 = 157,240.39 : x
  2. Step 2: Convert to fraction form
    264,673.12/365,207.79 = 157,240.39/x
  3. Step 3: Cross multiply
    264,673.12x = 365,207.79 × 157,240.39
  4. Step 4: Simplify right side
    264,673.12x = 57,425,415,330.64
  5. Step 5: Solve for x
    x = 57,425,415,330.64/264,673.12
  6. Step 6: Final answer
    x = 216,967.31

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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.