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Finding the Fourth Proportional to 235,770.51, 353,680.94 and 100,848.54

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Solution

The fourth proportional to 235,770.51, 353,680.94 and 100,848.54 is: 151,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,770.51 : 353,680.94 = 100,848.54 : x
  2. Step 2: Convert to fraction form
    235,770.51/353,680.94 = 100,848.54/x
  3. Step 3: Cross multiply
    235,770.51x = 353,680.94 × 100,848.54
  4. Step 4: Simplify right side
    235,770.51x = 35,668,204,908.54
  5. Step 5: Solve for x
    x = 35,668,204,908.54/235,770.51
  6. Step 6: Final answer
    x = 151,283.58

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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.