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Finding the Fourth Proportional to 188,473.59, 282,724.11 and 70,144.89

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Solution

The fourth proportional to 188,473.59, 282,724.11 and 70,144.89 is: 105,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,473.59 : 282,724.11 = 70,144.89 : x
  2. Step 2: Convert to fraction form
    188,473.59/282,724.11 = 70,144.89/x
  3. Step 3: Cross multiply
    188,473.59x = 282,724.11 × 70,144.89
  4. Step 4: Simplify right side
    188,473.59x = 19,831,651,596.30
  5. Step 5: Solve for x
    x = 19,831,651,596.30/188,473.59
  6. Step 6: Final answer
    x = 105,222.44

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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.