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Finding the Fourth Proportional to 146,894.62, 202,776.59 and 99,212.56

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Solution

The fourth proportional to 146,894.62, 202,776.59 and 99,212.56 is: 136,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,894.62 : 202,776.59 = 99,212.56 : x
  2. Step 2: Convert to fraction form
    146,894.62/202,776.59 = 99,212.56/x
  3. Step 3: Cross multiply
    146,894.62x = 202,776.59 × 99,212.56
  4. Step 4: Simplify right side
    146,894.62x = 20,117,984,601.97
  5. Step 5: Solve for x
    x = 20,117,984,601.97/146,894.62
  6. Step 6: Final answer
    x = 136,955.22

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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.