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Finding the Fourth Proportional to 248,124.33, 342,410.63 and 134,948.97

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Solution

The fourth proportional to 248,124.33, 342,410.63 and 134,948.97 is: 186,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,124.33 : 342,410.63 = 134,948.97 : x
  2. Step 2: Convert to fraction form
    248,124.33/342,410.63 = 134,948.97/x
  3. Step 3: Cross multiply
    248,124.33x = 342,410.63 × 134,948.97
  4. Step 4: Simplify right side
    248,124.33x = 46,207,961,160.81
  5. Step 5: Solve for x
    x = 46,207,961,160.81/248,124.33
  6. Step 6: Final answer
    x = 186,229.06

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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.