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Finding the Fourth Proportional to 169,969.35, 255,965.83 and 148,047.51

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Solution

The fourth proportional to 169,969.35, 255,965.83 and 148,047.51 is: 222,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,969.35 : 255,965.83 = 148,047.51 : x
  2. Step 2: Convert to fraction form
    169,969.35/255,965.83 = 148,047.51/x
  3. Step 3: Cross multiply
    169,969.35x = 255,965.83 × 148,047.51
  4. Step 4: Simplify right side
    169,969.35x = 37,895,103,776.58
  5. Step 5: Solve for x
    x = 37,895,103,776.58/169,969.35
  6. Step 6: Final answer
    x = 222,952.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.