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Finding the Fourth Proportional to 444,490.70, 666,736.05 and 112,066.70

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Solution

The fourth proportional to 444,490.70, 666,736.05 and 112,066.70 is: 168,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,490.70 : 666,736.05 = 112,066.70 : x
  2. Step 2: Convert to fraction form
    444,490.70/666,736.05 = 112,066.70/x
  3. Step 3: Cross multiply
    444,490.70x = 666,736.05 × 112,066.70
  4. Step 4: Simplify right side
    444,490.70x = 74,718,908,894.54
  5. Step 5: Solve for x
    x = 74,718,908,894.54/444,490.70
  6. Step 6: Final answer
    x = 168,100.05

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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.