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Finding the Fourth Proportional to 248,352.96, 342,707.04 and 173,064

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Solution

The fourth proportional to 248,352.96, 342,707.04 and 173,064 is: 238,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,352.96 : 342,707.04 = 173,064 : x
  2. Step 2: Convert to fraction form
    248,352.96/342,707.04 = 173,064/x
  3. Step 3: Cross multiply
    248,352.96x = 342,707.04 × 173,064
  4. Step 4: Simplify right side
    248,352.96x = 59,310,251,170.56
  5. Step 5: Solve for x
    x = 59,310,251,170.56/248,352.96
  6. Step 6: Final answer
    x = 238,814.35

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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.