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Finding the Fourth Proportional to 192,559.08, 288,598.08 and 92,700.72

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Solution

The fourth proportional to 192,559.08, 288,598.08 and 92,700.72 is: 138,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,559.08 : 288,598.08 = 92,700.72 : x
  2. Step 2: Convert to fraction form
    192,559.08/288,598.08 = 92,700.72/x
  3. Step 3: Cross multiply
    192,559.08x = 288,598.08 × 92,700.72
  4. Step 4: Simplify right side
    192,559.08x = 26,753,249,806.62
  5. Step 5: Solve for x
    x = 26,753,249,806.62/192,559.08
  6. Step 6: Final answer
    x = 138,935.28

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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.