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Finding the Fourth Proportional to 146,341, 201,950.64 and 79,273

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Solution

The fourth proportional to 146,341, 201,950.64 and 79,273 is: 109,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,341 : 201,950.64 = 79,273 : x
  2. Step 2: Convert to fraction form
    146,341/201,950.64 = 79,273/x
  3. Step 3: Cross multiply
    146,341x = 201,950.64 × 79,273
  4. Step 4: Simplify right side
    146,341x = 16,009,233,084.72
  5. Step 5: Solve for x
    x = 16,009,233,084.72/146,341
  6. Step 6: Final answer
    x = 109,396.77

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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.