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Finding the Fourth Proportional to 192,176.65, 288,235.40 and 64,095.19

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Solution

The fourth proportional to 192,176.65, 288,235.40 and 64,095.19 is: 96,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,176.65 : 288,235.40 = 64,095.19 : x
  2. Step 2: Convert to fraction form
    192,176.65/288,235.40 = 64,095.19/x
  3. Step 3: Cross multiply
    192,176.65x = 288,235.40 × 64,095.19
  4. Step 4: Simplify right side
    192,176.65x = 18,474,503,608.55
  5. Step 5: Solve for x
    x = 18,474,503,608.55/192,176.65
  6. Step 6: Final answer
    x = 96,132.93

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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.