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Finding the Fourth Proportional to 192,910.52, 289,410.66 and 59,783.72

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Solution

The fourth proportional to 192,910.52, 289,410.66 and 59,783.72 is: 89,689.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,910.52 : 289,410.66 = 59,783.72 : x
  2. Step 2: Convert to fraction form
    192,910.52/289,410.66 = 59,783.72/x
  3. Step 3: Cross multiply
    192,910.52x = 289,410.66 × 59,783.72
  4. Step 4: Simplify right side
    192,910.52x = 17,302,045,862.46
  5. Step 5: Solve for x
    x = 17,302,045,862.46/192,910.52
  6. Step 6: Final answer
    x = 89,689.49

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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.