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Finding the Fourth Proportional to 238,668.08, 357,993.72 and 61,176.56

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Solution

The fourth proportional to 238,668.08, 357,993.72 and 61,176.56 is: 91,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,668.08 : 357,993.72 = 61,176.56 : x
  2. Step 2: Convert to fraction form
    238,668.08/357,993.72 = 61,176.56/x
  3. Step 3: Cross multiply
    238,668.08x = 357,993.72 × 61,176.56
  4. Step 4: Simplify right side
    238,668.08x = 21,900,824,291.20
  5. Step 5: Solve for x
    x = 21,900,824,291.20/238,668.08
  6. Step 6: Final answer
    x = 91,762.69

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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.