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Finding the Fourth Proportional to 250,093.50, 375,097.88 and 70,137.57

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Solution

The fourth proportional to 250,093.50, 375,097.88 and 70,137.57 is: 105,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,093.50 : 375,097.88 = 70,137.57 : x
  2. Step 2: Convert to fraction form
    250,093.50/375,097.88 = 70,137.57/x
  3. Step 3: Cross multiply
    250,093.50x = 375,097.88 × 70,137.57
  4. Step 4: Simplify right side
    250,093.50x = 26,308,454,145.09
  5. Step 5: Solve for x
    x = 26,308,454,145.09/250,093.50
  6. Step 6: Final answer
    x = 105,194.47

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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.