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Finding the Fourth Proportional to 188,370.54, 259,946.84 and 107,792.93

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Solution

The fourth proportional to 188,370.54, 259,946.84 and 107,792.93 is: 148,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,370.54 : 259,946.84 = 107,792.93 : x
  2. Step 2: Convert to fraction form
    188,370.54/259,946.84 = 107,792.93/x
  3. Step 3: Cross multiply
    188,370.54x = 259,946.84 × 107,792.93
  4. Step 4: Simplify right side
    188,370.54x = 28,020,429,689.14
  5. Step 5: Solve for x
    x = 28,020,429,689.14/188,370.54
  6. Step 6: Final answer
    x = 148,751.66

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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.