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Finding the Fourth Proportional to 192,433.19, 288,690.54 and 57,507.76

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Solution

The fourth proportional to 192,433.19, 288,690.54 and 57,507.76 is: 86,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,433.19 : 288,690.54 = 57,507.76 : x
  2. Step 2: Convert to fraction form
    192,433.19/288,690.54 = 57,507.76/x
  3. Step 3: Cross multiply
    192,433.19x = 288,690.54 × 57,507.76
  4. Step 4: Simplify right side
    192,433.19x = 16,601,946,890.72
  5. Step 5: Solve for x
    x = 16,601,946,890.72/192,433.19
  6. Step 6: Final answer
    x = 86,273.82

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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.