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Finding the Fourth Proportional to 167,389.40, 251,059.80 and 49,048.40

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Solution

The fourth proportional to 167,389.40, 251,059.80 and 49,048.40 is: 73,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,389.40 : 251,059.80 = 49,048.40 : x
  2. Step 2: Convert to fraction form
    167,389.40/251,059.80 = 49,048.40/x
  3. Step 3: Cross multiply
    167,389.40x = 251,059.80 × 49,048.40
  4. Step 4: Simplify right side
    167,389.40x = 12,314,081,494.32
  5. Step 5: Solve for x
    x = 12,314,081,494.32/167,389.40
  6. Step 6: Final answer
    x = 73,565.48

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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.