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Finding the Fourth Proportional to 245,397.69, 368,104.75 and 67,889.84

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Solution

The fourth proportional to 245,397.69, 368,104.75 and 67,889.84 is: 101,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,397.69 : 368,104.75 = 67,889.84 : x
  2. Step 2: Convert to fraction form
    245,397.69/368,104.75 = 67,889.84/x
  3. Step 3: Cross multiply
    245,397.69x = 368,104.75 × 67,889.84
  4. Step 4: Simplify right side
    245,397.69x = 24,990,570,570.49
  5. Step 5: Solve for x
    x = 24,990,570,570.49/245,397.69
  6. Step 6: Final answer
    x = 101,837.02

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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.