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Finding the Fourth Proportional to 114,534.59, 171,760.73 and 39,634.40

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Solution

The fourth proportional to 114,534.59, 171,760.73 and 39,634.40 is: 59,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,534.59 : 171,760.73 = 39,634.40 : x
  2. Step 2: Convert to fraction form
    114,534.59/171,760.73 = 39,634.40/x
  3. Step 3: Cross multiply
    114,534.59x = 171,760.73 × 39,634.40
  4. Step 4: Simplify right side
    114,534.59x = 6,807,632,853.66
  5. Step 5: Solve for x
    x = 6,807,632,853.66/114,534.59
  6. Step 6: Final answer
    x = 59,437.35

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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.