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Finding the Fourth Proportional to 147,969.63, 221,888.84 and 103,617.27

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Solution

The fourth proportional to 147,969.63, 221,888.84 and 103,617.27 is: 155,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,969.63 : 221,888.84 = 103,617.27 : x
  2. Step 2: Convert to fraction form
    147,969.63/221,888.84 = 103,617.27/x
  3. Step 3: Cross multiply
    147,969.63x = 221,888.84 × 103,617.27
  4. Step 4: Simplify right side
    147,969.63x = 22,991,515,326.18
  5. Step 5: Solve for x
    x = 22,991,515,326.18/147,969.63
  6. Step 6: Final answer
    x = 155,379.96

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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.