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Finding the Fourth Proportional to 192,601.80, 265,788.95 and 107,718.80

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Solution

The fourth proportional to 192,601.80, 265,788.95 and 107,718.80 is: 148,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,601.80 : 265,788.95 = 107,718.80 : x
  2. Step 2: Convert to fraction form
    192,601.80/265,788.95 = 107,718.80/x
  3. Step 3: Cross multiply
    192,601.80x = 265,788.95 × 107,718.80
  4. Step 4: Simplify right side
    192,601.80x = 28,630,464,879.72
  5. Step 5: Solve for x
    x = 28,630,464,879.72/192,601.80
  6. Step 6: Final answer
    x = 148,651.08

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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.