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Finding the Fourth Proportional to 192,172.56, 288,254.88 and 64,098.12

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Solution

The fourth proportional to 192,172.56, 288,254.88 and 64,098.12 is: 96,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,172.56 : 288,254.88 = 64,098.12 : x
  2. Step 2: Convert to fraction form
    192,172.56/288,254.88 = 64,098.12/x
  3. Step 3: Cross multiply
    192,172.56x = 288,254.88 × 64,098.12
  4. Step 4: Simplify right side
    192,172.56x = 18,476,595,888.83
  5. Step 5: Solve for x
    x = 18,476,595,888.83/192,172.56
  6. Step 6: Final answer
    x = 96,145.86

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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.