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Finding the Fourth Proportional to 164,402.58, 226,879.17 and 90,814.83

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Solution

The fourth proportional to 164,402.58, 226,879.17 and 90,814.83 is: 125,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,402.58 : 226,879.17 = 90,814.83 : x
  2. Step 2: Convert to fraction form
    164,402.58/226,879.17 = 90,814.83/x
  3. Step 3: Cross multiply
    164,402.58x = 226,879.17 × 90,814.83
  4. Step 4: Simplify right side
    164,402.58x = 20,603,993,254.09
  5. Step 5: Solve for x
    x = 20,603,993,254.09/164,402.58
  6. Step 6: Final answer
    x = 125,326.46

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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.