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Finding the Fourth Proportional to 192,697.44, 289,088.60 and 57,756.12

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Solution

The fourth proportional to 192,697.44, 289,088.60 and 57,756.12 is: 86,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,697.44 : 289,088.60 = 57,756.12 : x
  2. Step 2: Convert to fraction form
    192,697.44/289,088.60 = 57,756.12/x
  3. Step 3: Cross multiply
    192,697.44x = 289,088.60 × 57,756.12
  4. Step 4: Simplify right side
    192,697.44x = 16,696,635,872.23
  5. Step 5: Solve for x
    x = 16,696,635,872.23/192,697.44
  6. Step 6: Final answer
    x = 86,646.90

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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.