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Finding the Fourth Proportional to 193,054.62, 289,583.64 and 79,265.01

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Solution

The fourth proportional to 193,054.62, 289,583.64 and 79,265.01 is: 118,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,054.62 : 289,583.64 = 79,265.01 : x
  2. Step 2: Convert to fraction form
    193,054.62/289,583.64 = 79,265.01/x
  3. Step 3: Cross multiply
    193,054.62x = 289,583.64 × 79,265.01
  4. Step 4: Simplify right side
    193,054.62x = 22,953,851,540.77
  5. Step 5: Solve for x
    x = 22,953,851,540.77/193,054.62
  6. Step 6: Final answer
    x = 118,898.22

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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.