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Finding the Fourth Proportional to 172,941.06, 259,392.14 and 46,590.64

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Solution

The fourth proportional to 172,941.06, 259,392.14 and 46,590.64 is: 69,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,941.06 : 259,392.14 = 46,590.64 : x
  2. Step 2: Convert to fraction form
    172,941.06/259,392.14 = 46,590.64/x
  3. Step 3: Cross multiply
    172,941.06x = 259,392.14 × 46,590.64
  4. Step 4: Simplify right side
    172,941.06x = 12,085,245,813.57
  5. Step 5: Solve for x
    x = 12,085,245,813.57/172,941.06
  6. Step 6: Final answer
    x = 69,880.72

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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.