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Finding the Fourth Proportional to 192,334.91, 288,326.59 and 85,662.77

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Solution

The fourth proportional to 192,334.91, 288,326.59 and 85,662.77 is: 128,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,334.91 : 288,326.59 = 85,662.77 : x
  2. Step 2: Convert to fraction form
    192,334.91/288,326.59 = 85,662.77/x
  3. Step 3: Cross multiply
    192,334.91x = 288,326.59 × 85,662.77
  4. Step 4: Simplify right side
    192,334.91x = 24,698,852,708.26
  5. Step 5: Solve for x
    x = 24,698,852,708.26/192,334.91
  6. Step 6: Final answer
    x = 128,415.86

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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.