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Finding the Fourth Proportional to 164,318.40, 226,758.11 and 88,866.90

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Solution

The fourth proportional to 164,318.40, 226,758.11 and 88,866.90 is: 122,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,318.40 : 226,758.11 = 88,866.90 : x
  2. Step 2: Convert to fraction form
    164,318.40/226,758.11 = 88,866.90/x
  3. Step 3: Cross multiply
    164,318.40x = 226,758.11 × 88,866.90
  4. Step 4: Simplify right side
    164,318.40x = 20,151,289,841.22
  5. Step 5: Solve for x
    x = 20,151,289,841.22/164,318.40
  6. Step 6: Final answer
    x = 122,635.63

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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.