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Finding the Fourth Proportional to 192,555.85, 265,739.33 and 107,672.89

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Solution

The fourth proportional to 192,555.85, 265,739.33 and 107,672.89 is: 148,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,555.85 : 265,739.33 = 107,672.89 : x
  2. Step 2: Convert to fraction form
    192,555.85/265,739.33 = 107,672.89/x
  3. Step 3: Cross multiply
    192,555.85x = 265,739.33 × 107,672.89
  4. Step 4: Simplify right side
    192,555.85x = 28,612,921,647.76
  5. Step 5: Solve for x
    x = 28,612,921,647.76/192,555.85
  6. Step 6: Final answer
    x = 148,595.44

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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.