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Finding the Fourth Proportional to 253,919.07, 380,875.10 and 61,794.23

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Solution

The fourth proportional to 253,919.07, 380,875.10 and 61,794.23 is: 92,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,919.07 : 380,875.10 = 61,794.23 : x
  2. Step 2: Convert to fraction form
    253,919.07/380,875.10 = 61,794.23/x
  3. Step 3: Cross multiply
    253,919.07x = 380,875.10 × 61,794.23
  4. Step 4: Simplify right side
    253,919.07x = 23,535,881,317.33
  5. Step 5: Solve for x
    x = 23,535,881,317.33/253,919.07
  6. Step 6: Final answer
    x = 92,690.48

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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.