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Finding the Fourth Proportional to 93,130.39, 139,473.24 and 53,604.42

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Solution

The fourth proportional to 93,130.39, 139,473.24 and 53,604.42 is: 80,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,130.39 : 139,473.24 = 53,604.42 : x
  2. Step 2: Convert to fraction form
    93,130.39/139,473.24 = 53,604.42/x
  3. Step 3: Cross multiply
    93,130.39x = 139,473.24 × 53,604.42
  4. Step 4: Simplify right side
    93,130.39x = 7,476,382,135.72
  5. Step 5: Solve for x
    x = 7,476,382,135.72/93,130.39
  6. Step 6: Final answer
    x = 80,278.65

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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.