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Finding the Fourth Proportional to 235,481.40, 353,222.10 and 169,543.35

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Solution

The fourth proportional to 235,481.40, 353,222.10 and 169,543.35 is: 254,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,481.40 : 353,222.10 = 169,543.35 : x
  2. Step 2: Convert to fraction form
    235,481.40/353,222.10 = 169,543.35/x
  3. Step 3: Cross multiply
    235,481.40x = 353,222.10 × 169,543.35
  4. Step 4: Simplify right side
    235,481.40x = 59,886,458,128.04
  5. Step 5: Solve for x
    x = 59,886,458,128.04/235,481.40
  6. Step 6: Final answer
    x = 254,315.03

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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.