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Finding the Fourth Proportional to 177,634.12, 266,443.86 and 98,698

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Solution

The fourth proportional to 177,634.12, 266,443.86 and 98,698 is: 148,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,634.12 : 266,443.86 = 98,698 : x
  2. Step 2: Convert to fraction form
    177,634.12/266,443.86 = 98,698/x
  3. Step 3: Cross multiply
    177,634.12x = 266,443.86 × 98,698
  4. Step 4: Simplify right side
    177,634.12x = 26,297,476,094.28
  5. Step 5: Solve for x
    x = 26,297,476,094.28/177,634.12
  6. Step 6: Final answer
    x = 148,042.93

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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.