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Finding the Fourth Proportional to 183,418.80, 253,162.94 and 111,838.28

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Solution

The fourth proportional to 183,418.80, 253,162.94 and 111,838.28 is: 154,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,418.80 : 253,162.94 = 111,838.28 : x
  2. Step 2: Convert to fraction form
    183,418.80/253,162.94 = 111,838.28/x
  3. Step 3: Cross multiply
    183,418.80x = 253,162.94 × 111,838.28
  4. Step 4: Simplify right side
    183,418.80x = 28,313,307,769.34
  5. Step 5: Solve for x
    x = 28,313,307,769.34/183,418.80
  6. Step 6: Final answer
    x = 154,364.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.