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Finding the Fourth Proportional to 301,894.80, 416,615.16 and 165,928.71

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Solution

The fourth proportional to 301,894.80, 416,615.16 and 165,928.71 is: 228,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,894.80 : 416,615.16 = 165,928.71 : x
  2. Step 2: Convert to fraction form
    301,894.80/416,615.16 = 165,928.71/x
  3. Step 3: Cross multiply
    301,894.80x = 416,615.16 × 165,928.71
  4. Step 4: Simplify right side
    301,894.80x = 69,128,416,065.24
  5. Step 5: Solve for x
    x = 69,128,416,065.24/301,894.80
  6. Step 6: Final answer
    x = 228,981.80

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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.