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Finding the Fourth Proportional to 164,486.57, 226,991.79 and 89,035.07

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Solution

The fourth proportional to 164,486.57, 226,991.79 and 89,035.07 is: 122,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,486.57 : 226,991.79 = 89,035.07 : x
  2. Step 2: Convert to fraction form
    164,486.57/226,991.79 = 89,035.07/x
  3. Step 3: Cross multiply
    164,486.57x = 226,991.79 × 89,035.07
  4. Step 4: Simplify right side
    164,486.57x = 20,210,228,777.12
  5. Step 5: Solve for x
    x = 20,210,228,777.12/164,486.57
  6. Step 6: Final answer
    x = 122,868.57

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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.