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Finding the Fourth Proportional to 144,806.58, 217,291.43 and 113,127.84

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Solution

The fourth proportional to 144,806.58, 217,291.43 and 113,127.84 is: 169,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,806.58 : 217,291.43 = 113,127.84 : x
  2. Step 2: Convert to fraction form
    144,806.58/217,291.43 = 113,127.84/x
  3. Step 3: Cross multiply
    144,806.58x = 217,291.43 × 113,127.84
  4. Step 4: Simplify right side
    144,806.58x = 24,581,710,409.23
  5. Step 5: Solve for x
    x = 24,581,710,409.23/144,806.58
  6. Step 6: Final answer
    x = 169,755.48

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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.