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Finding the Fourth Proportional to 119,426, 179,133.18 and 44,540.32

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Solution

The fourth proportional to 119,426, 179,133.18 and 44,540.32 is: 66,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,426 : 179,133.18 = 44,540.32 : x
  2. Step 2: Convert to fraction form
    119,426/179,133.18 = 44,540.32/x
  3. Step 3: Cross multiply
    119,426x = 179,133.18 × 44,540.32
  4. Step 4: Simplify right side
    119,426x = 7,978,649,159.82
  5. Step 5: Solve for x
    x = 7,978,649,159.82/119,426
  6. Step 6: Final answer
    x = 66,808.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.