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Finding the Fourth Proportional to 62,894.36, 94,356.96 and 51,668.68

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Solution

The fourth proportional to 62,894.36, 94,356.96 and 51,668.68 is: 77,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,894.36 : 94,356.96 = 51,668.68 : x
  2. Step 2: Convert to fraction form
    62,894.36/94,356.96 = 51,668.68/x
  3. Step 3: Cross multiply
    62,894.36x = 94,356.96 × 51,668.68
  4. Step 4: Simplify right side
    62,894.36x = 4,875,299,336.12
  5. Step 5: Solve for x
    x = 4,875,299,336.12/62,894.36
  6. Step 6: Final answer
    x = 77,515.68

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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.