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Finding the Fourth Proportional to 144,980.36, 217,501.82 and 43,770.02

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Solution

The fourth proportional to 144,980.36, 217,501.82 and 43,770.02 is: 65,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,980.36 : 217,501.82 = 43,770.02 : x
  2. Step 2: Convert to fraction form
    144,980.36/217,501.82 = 43,770.02/x
  3. Step 3: Cross multiply
    144,980.36x = 217,501.82 × 43,770.02
  4. Step 4: Simplify right side
    144,980.36x = 9,520,058,421.28
  5. Step 5: Solve for x
    x = 9,520,058,421.28/144,980.36
  6. Step 6: Final answer
    x = 65,664.47

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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.