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Finding the Fourth Proportional to 192,404.92, 265,518.12 and 107,521.96

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Solution

The fourth proportional to 192,404.92, 265,518.12 and 107,521.96 is: 148,379.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,404.92 : 265,518.12 = 107,521.96 : x
  2. Step 2: Convert to fraction form
    192,404.92/265,518.12 = 107,521.96/x
  3. Step 3: Cross multiply
    192,404.92x = 265,518.12 × 107,521.96
  4. Step 4: Simplify right side
    192,404.92x = 28,549,028,677.92
  5. Step 5: Solve for x
    x = 28,549,028,677.92/192,404.92
  6. Step 6: Final answer
    x = 148,379.93

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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.