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Finding the Fourth Proportional to 248,171.64, 342,479.52 and 134,994.66

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Solution

The fourth proportional to 248,171.64, 342,479.52 and 134,994.66 is: 186,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,171.64 : 342,479.52 = 134,994.66 : x
  2. Step 2: Convert to fraction form
    248,171.64/342,479.52 = 134,994.66/x
  3. Step 3: Cross multiply
    248,171.64x = 342,479.52 × 134,994.66
  4. Step 4: Simplify right side
    248,171.64x = 46,232,906,359.36
  5. Step 5: Solve for x
    x = 46,232,906,359.36/248,171.64
  6. Step 6: Final answer
    x = 186,294.08

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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.