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Finding the Fourth Proportional to 192,354.72, 265,481.80 and 130,237.03

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Solution

The fourth proportional to 192,354.72, 265,481.80 and 130,237.03 is: 179,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,354.72 : 265,481.80 = 130,237.03 : x
  2. Step 2: Convert to fraction form
    192,354.72/265,481.80 = 130,237.03/x
  3. Step 3: Cross multiply
    192,354.72x = 265,481.80 × 130,237.03
  4. Step 4: Simplify right side
    192,354.72x = 34,575,561,889.90
  5. Step 5: Solve for x
    x = 34,575,561,889.90/192,354.72
  6. Step 6: Final answer
    x = 179,748.96

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1.5x scale

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.