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Finding the Fourth Proportional to 192,325.93, 288,488.90 and 74,052.97

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Solution

The fourth proportional to 192,325.93, 288,488.90 and 74,052.97 is: 111,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,325.93 : 288,488.90 = 74,052.97 : x
  2. Step 2: Convert to fraction form
    192,325.93/288,488.90 = 74,052.97/x
  3. Step 3: Cross multiply
    192,325.93x = 288,488.90 × 74,052.97
  4. Step 4: Simplify right side
    192,325.93x = 21,363,459,486.77
  5. Step 5: Solve for x
    x = 21,363,459,486.77/192,325.93
  6. Step 6: Final answer
    x = 111,079.46

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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.