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Finding the Fourth Proportional to 192,156.84, 288,234.18 and 65,798.19

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Solution

The fourth proportional to 192,156.84, 288,234.18 and 65,798.19 is: 98,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,156.84 : 288,234.18 = 65,798.19 : x
  2. Step 2: Convert to fraction form
    192,156.84/288,234.18 = 65,798.19/x
  3. Step 3: Cross multiply
    192,156.84x = 288,234.18 × 65,798.19
  4. Step 4: Simplify right side
    192,156.84x = 18,965,287,340.13
  5. Step 5: Solve for x
    x = 18,965,287,340.13/192,156.84
  6. Step 6: Final answer
    x = 98,696.92

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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.