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Finding the Fourth Proportional to 164,661.99, 227,233.77 and 89,210.49

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Solution

The fourth proportional to 164,661.99, 227,233.77 and 89,210.49 is: 123,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,661.99 : 227,233.77 = 89,210.49 : x
  2. Step 2: Convert to fraction form
    164,661.99/227,233.77 = 89,210.49/x
  3. Step 3: Cross multiply
    164,661.99x = 227,233.77 × 89,210.49
  4. Step 4: Simplify right side
    164,661.99x = 20,271,635,966.25
  5. Step 5: Solve for x
    x = 20,271,635,966.25/164,661.99
  6. Step 6: Final answer
    x = 123,110.60

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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.