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Finding the Fourth Proportional to 90,697, 136,053.34 and 25,033

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Solution

The fourth proportional to 90,697, 136,053.34 and 25,033 is: 37,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,697 : 136,053.34 = 25,033 : x
  2. Step 2: Convert to fraction form
    90,697/136,053.34 = 25,033/x
  3. Step 3: Cross multiply
    90,697x = 136,053.34 × 25,033
  4. Step 4: Simplify right side
    90,697x = 3,405,823,260.22
  5. Step 5: Solve for x
    x = 3,405,823,260.22/90,697
  6. Step 6: Final answer
    x = 37,551.66

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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.