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Finding the Fourth Proportional to 188,037, 259,498.74 and 108,549

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Solution

The fourth proportional to 188,037, 259,498.74 and 108,549 is: 149,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,037 : 259,498.74 = 108,549 : x
  2. Step 2: Convert to fraction form
    188,037/259,498.74 = 108,549/x
  3. Step 3: Cross multiply
    188,037x = 259,498.74 × 108,549
  4. Step 4: Simplify right side
    188,037x = 28,168,328,728.26
  5. Step 5: Solve for x
    x = 28,168,328,728.26/188,037
  6. Step 6: Final answer
    x = 149,802.05

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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.