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Finding the Fourth Proportional to 125,641.36, 173,388.36 and 69,054.22

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Solution

The fourth proportional to 125,641.36, 173,388.36 and 69,054.22 is: 95,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,641.36 : 173,388.36 = 69,054.22 : x
  2. Step 2: Convert to fraction form
    125,641.36/173,388.36 = 69,054.22/x
  3. Step 3: Cross multiply
    125,641.36x = 173,388.36 × 69,054.22
  4. Step 4: Simplify right side
    125,641.36x = 11,973,197,956.88
  5. Step 5: Solve for x
    x = 11,973,197,956.88/125,641.36
  6. Step 6: Final answer
    x = 95,296.63

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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.