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Finding the Fourth Proportional to 128,556.01, 192,958.40 and 62,042.96

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Solution

The fourth proportional to 128,556.01, 192,958.40 and 62,042.96 is: 93,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,556.01 : 192,958.40 = 62,042.96 : x
  2. Step 2: Convert to fraction form
    128,556.01/192,958.40 = 62,042.96/x
  3. Step 3: Cross multiply
    128,556.01x = 192,958.40 × 62,042.96
  4. Step 4: Simplify right side
    128,556.01x = 11,971,710,930.37
  5. Step 5: Solve for x
    x = 11,971,710,930.37/128,556.01
  6. Step 6: Final answer
    x = 93,124.47

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1.5x scale

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.