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Finding the Fourth Proportional to 164,485.53, 226,990.74 and 89,034.03

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Solution

The fourth proportional to 164,485.53, 226,990.74 and 89,034.03 is: 122,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,485.53 : 226,990.74 = 89,034.03 : x
  2. Step 2: Convert to fraction form
    164,485.53/226,990.74 = 89,034.03/x
  3. Step 3: Cross multiply
    164,485.53x = 226,990.74 × 89,034.03
  4. Step 4: Simplify right side
    164,485.53x = 20,209,900,354.88
  5. Step 5: Solve for x
    x = 20,209,900,354.88/164,485.53
  6. Step 6: Final answer
    x = 122,867.34

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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.