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Finding the Fourth Proportional to 245,402.19, 368,111.52 and 67,894.35

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Solution

The fourth proportional to 245,402.19, 368,111.52 and 67,894.35 is: 101,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,402.19 : 368,111.52 = 67,894.35 : x
  2. Step 2: Convert to fraction form
    245,402.19/368,111.52 = 67,894.35/x
  3. Step 3: Cross multiply
    245,402.19x = 368,111.52 × 67,894.35
  4. Step 4: Simplify right side
    245,402.19x = 24,992,692,377.91
  5. Step 5: Solve for x
    x = 24,992,692,377.91/245,402.19
  6. Step 6: Final answer
    x = 101,843.80

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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.