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Finding the Fourth Proportional to 192,437.94, 288,583.10 and 66,054.64

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Solution

The fourth proportional to 192,437.94, 288,583.10 and 66,054.64 is: 99,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,437.94 : 288,583.10 = 66,054.64 : x
  2. Step 2: Convert to fraction form
    192,437.94/288,583.10 = 66,054.64/x
  3. Step 3: Cross multiply
    192,437.94x = 288,583.10 × 66,054.64
  4. Step 4: Simplify right side
    192,437.94x = 19,062,252,780.58
  5. Step 5: Solve for x
    x = 19,062,252,780.58/192,437.94
  6. Step 6: Final answer
    x = 99,056.62

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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.