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Finding the Fourth Proportional to 250,246.51, 375,369.67 and 100,486.76

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Solution

The fourth proportional to 250,246.51, 375,369.67 and 100,486.76 is: 150,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,246.51 : 375,369.67 = 100,486.76 : x
  2. Step 2: Convert to fraction form
    250,246.51/375,369.67 = 100,486.76/x
  3. Step 3: Cross multiply
    250,246.51x = 375,369.67 × 100,486.76
  4. Step 4: Simplify right side
    250,246.51x = 37,719,681,940.57
  5. Step 5: Solve for x
    x = 37,719,681,940.57/250,246.51
  6. Step 6: Final answer
    x = 150,730.10

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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.