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Finding the Fourth Proportional to 114,639.30, 171,958.95 and 35,753.40

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Solution

The fourth proportional to 114,639.30, 171,958.95 and 35,753.40 is: 53,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,639.30 : 171,958.95 = 35,753.40 : x
  2. Step 2: Convert to fraction form
    114,639.30/171,958.95 = 35,753.40/x
  3. Step 3: Cross multiply
    114,639.30x = 171,958.95 × 35,753.40
  4. Step 4: Simplify right side
    114,639.30x = 6,148,117,122.93
  5. Step 5: Solve for x
    x = 6,148,117,122.93/114,639.30
  6. Step 6: Final answer
    x = 53,630.10

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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.