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Finding the Fourth Proportional to 104,630.40, 144,388.37 and 56,883.33

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Solution

The fourth proportional to 104,630.40, 144,388.37 and 56,883.33 is: 78,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,630.40 : 144,388.37 = 56,883.33 : x
  2. Step 2: Convert to fraction form
    104,630.40/144,388.37 = 56,883.33/x
  3. Step 3: Cross multiply
    104,630.40x = 144,388.37 × 56,883.33
  4. Step 4: Simplify right side
    104,630.40x = 8,213,291,441.08
  5. Step 5: Solve for x
    x = 8,213,291,441.08/104,630.40
  6. Step 6: Final answer
    x = 78,498.14

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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.