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Finding the Fourth Proportional to 146,366.67, 201,985.97 and 79,298.67

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Solution

The fourth proportional to 146,366.67, 201,985.97 and 79,298.67 is: 109,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,366.67 : 201,985.97 = 79,298.67 : x
  2. Step 2: Convert to fraction form
    146,366.67/201,985.97 = 79,298.67/x
  3. Step 3: Cross multiply
    146,366.67x = 201,985.97 × 79,298.67
  4. Step 4: Simplify right side
    146,366.67x = 16,017,218,383.17
  5. Step 5: Solve for x
    x = 16,017,218,383.17/146,366.67
  6. Step 6: Final answer
    x = 109,432.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.