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Finding the Fourth Proportional to 174,341, 261,651.62 and 90,125.92

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Solution

The fourth proportional to 174,341, 261,651.62 and 90,125.92 is: 135,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,341 : 261,651.62 = 90,125.92 : x
  2. Step 2: Convert to fraction form
    174,341/261,651.62 = 90,125.92/x
  3. Step 3: Cross multiply
    174,341x = 261,651.62 × 90,125.92
  4. Step 4: Simplify right side
    174,341x = 23,581,592,971.99
  5. Step 5: Solve for x
    x = 23,581,592,971.99/174,341
  6. Step 6: Final answer
    x = 135,261.32

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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.