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Finding the Fourth Proportional to 192,459.60, 288,722.52 and 66,093.84

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Solution

The fourth proportional to 192,459.60, 288,722.52 and 66,093.84 is: 99,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,459.60 : 288,722.52 = 66,093.84 : x
  2. Step 2: Convert to fraction form
    192,459.60/288,722.52 = 66,093.84/x
  3. Step 3: Cross multiply
    192,459.60x = 288,722.52 × 66,093.84
  4. Step 4: Simplify right side
    192,459.60x = 19,082,780,041.28
  5. Step 5: Solve for x
    x = 19,082,780,041.28/192,459.60
  6. Step 6: Final answer
    x = 99,152.13

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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.