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Finding the Fourth Proportional to 248,372.36, 372,561.96 and 70,879.32

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Solution

The fourth proportional to 248,372.36, 372,561.96 and 70,879.32 is: 106,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,372.36 : 372,561.96 = 70,879.32 : x
  2. Step 2: Convert to fraction form
    248,372.36/372,561.96 = 70,879.32/x
  3. Step 3: Cross multiply
    248,372.36x = 372,561.96 × 70,879.32
  4. Step 4: Simplify right side
    248,372.36x = 26,406,938,382.67
  5. Step 5: Solve for x
    x = 26,406,938,382.67/248,372.36
  6. Step 6: Final answer
    x = 106,319.96

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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.