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Finding the Fourth Proportional to 248,258.51, 342,621.96 and 146,316.80

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Solution

The fourth proportional to 248,258.51, 342,621.96 and 146,316.80 is: 201,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,258.51 : 342,621.96 = 146,316.80 : x
  2. Step 2: Convert to fraction form
    248,258.51/342,621.96 = 146,316.80/x
  3. Step 3: Cross multiply
    248,258.51x = 342,621.96 × 146,316.80
  4. Step 4: Simplify right side
    248,258.51x = 50,131,348,796.93
  5. Step 5: Solve for x
    x = 50,131,348,796.93/248,258.51
  6. Step 6: Final answer
    x = 201,932.05

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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.