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Finding the Fourth Proportional to 139,104.54, 208,673.13 and 44,301.51

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Solution

The fourth proportional to 139,104.54, 208,673.13 and 44,301.51 is: 66,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,104.54 : 208,673.13 = 44,301.51 : x
  2. Step 2: Convert to fraction form
    139,104.54/208,673.13 = 44,301.51/x
  3. Step 3: Cross multiply
    139,104.54x = 208,673.13 × 44,301.51
  4. Step 4: Simplify right side
    139,104.54x = 9,244,534,755.43
  5. Step 5: Solve for x
    x = 9,244,534,755.43/139,104.54
  6. Step 6: Final answer
    x = 66,457.46

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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.