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Finding the Fourth Proportional to 245,396.63, 368,103.14 and 67,888.77

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Solution

The fourth proportional to 245,396.63, 368,103.14 and 67,888.77 is: 101,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,396.63 : 368,103.14 = 67,888.77 : x
  2. Step 2: Convert to fraction form
    245,396.63/368,103.14 = 67,888.77/x
  3. Step 3: Cross multiply
    245,396.63x = 368,103.14 × 67,888.77
  4. Step 4: Simplify right side
    245,396.63x = 24,990,069,068.29
  5. Step 5: Solve for x
    x = 24,990,069,068.29/245,396.63
  6. Step 6: Final answer
    x = 101,835.42

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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.