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Finding the Fourth Proportional to 90,698, 136,054.84 and 25,034

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Solution

The fourth proportional to 90,698, 136,054.84 and 25,034 is: 37,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698 : 136,054.84 = 25,034 : x
  2. Step 2: Convert to fraction form
    90,698/136,054.84 = 25,034/x
  3. Step 3: Cross multiply
    90,698x = 136,054.84 × 25,034
  4. Step 4: Simplify right side
    90,698x = 3,405,996,864.56
  5. Step 5: Solve for x
    x = 3,405,996,864.56/90,698
  6. Step 6: Final answer
    x = 37,553.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.