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Finding the Fourth Proportional to 146,895, 202,777.11 and 99,212.94

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Solution

The fourth proportional to 146,895, 202,777.11 and 99,212.94 is: 136,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,895 : 202,777.11 = 99,212.94 : x
  2. Step 2: Convert to fraction form
    146,895/202,777.11 = 99,212.94/x
  3. Step 3: Cross multiply
    146,895x = 202,777.11 × 99,212.94
  4. Step 4: Simplify right side
    146,895x = 20,118,112,233.92
  5. Step 5: Solve for x
    x = 20,118,112,233.92/146,895
  6. Step 6: Final answer
    x = 136,955.73

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1.5x scale

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.