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Finding the Fourth Proportional to 114,185.62, 171,474.45 and 70,071.40

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Solution

The fourth proportional to 114,185.62, 171,474.45 and 70,071.40 is: 105,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,185.62 : 171,474.45 = 70,071.40 : x
  2. Step 2: Convert to fraction form
    114,185.62/171,474.45 = 70,071.40/x
  3. Step 3: Cross multiply
    114,185.62x = 171,474.45 × 70,071.40
  4. Step 4: Simplify right side
    114,185.62x = 12,015,454,775.73
  5. Step 5: Solve for x
    x = 12,015,454,775.73/114,185.62
  6. Step 6: Final answer
    x = 105,227.39

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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.