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Finding the Fourth Proportional to 164,441.56, 226,929.36 and 88,990.06

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Solution

The fourth proportional to 164,441.56, 226,929.36 and 88,990.06 is: 122,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,441.56 : 226,929.36 = 88,990.06 : x
  2. Step 2: Convert to fraction form
    164,441.56/226,929.36 = 88,990.06/x
  3. Step 3: Cross multiply
    164,441.56x = 226,929.36 × 88,990.06
  4. Step 4: Simplify right side
    164,441.56x = 20,194,457,362.16
  5. Step 5: Solve for x
    x = 20,194,457,362.16/164,441.56
  6. Step 6: Final answer
    x = 122,806.29

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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.