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Finding the Fourth Proportional to 223,838.73, 335,886.93 and 118,657.44

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Solution

The fourth proportional to 223,838.73, 335,886.93 and 118,657.44 is: 178,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,838.73 : 335,886.93 = 118,657.44 : x
  2. Step 2: Convert to fraction form
    223,838.73/335,886.93 = 118,657.44/x
  3. Step 3: Cross multiply
    223,838.73x = 335,886.93 × 118,657.44
  4. Step 4: Simplify right side
    223,838.73x = 39,855,483,243.26
  5. Step 5: Solve for x
    x = 39,855,483,243.26/223,838.73
  6. Step 6: Final answer
    x = 178,054.46

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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.