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Finding the Fourth Proportional to 245,433.11, 368,108.66 and 67,958.06

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Solution

The fourth proportional to 245,433.11, 368,108.66 and 67,958.06 is: 101,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,433.11 : 368,108.66 = 67,958.06 : x
  2. Step 2: Convert to fraction form
    245,433.11/368,108.66 = 67,958.06/x
  3. Step 3: Cross multiply
    245,433.11x = 368,108.66 × 67,958.06
  4. Step 4: Simplify right side
    245,433.11x = 25,015,950,402.80
  5. Step 5: Solve for x
    x = 25,015,950,402.80/245,433.11
  6. Step 6: Final answer
    x = 101,925.74

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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.