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Finding the Fourth Proportional to 248,382.40, 372,364.62 and 108,035.32

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Solution

The fourth proportional to 248,382.40, 372,364.62 and 108,035.32 is: 161,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,382.40 : 372,364.62 = 108,035.32 : x
  2. Step 2: Convert to fraction form
    248,382.40/372,364.62 = 108,035.32/x
  3. Step 3: Cross multiply
    248,382.40x = 372,364.62 × 108,035.32
  4. Step 4: Simplify right side
    248,382.40x = 40,228,530,878.38
  5. Step 5: Solve for x
    x = 40,228,530,878.38/248,382.40
  6. Step 6: Final answer
    x = 161,962.08

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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.