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Finding the Fourth Proportional to 181,101.60, 271,433.70 and 92,309.40

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Solution

The fourth proportional to 181,101.60, 271,433.70 and 92,309.40 is: 138,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,101.60 : 271,433.70 = 92,309.40 : x
  2. Step 2: Convert to fraction form
    181,101.60/271,433.70 = 92,309.40/x
  3. Step 3: Cross multiply
    181,101.60x = 271,433.70 × 92,309.40
  4. Step 4: Simplify right side
    181,101.60x = 25,055,881,986.78
  5. Step 5: Solve for x
    x = 25,055,881,986.78/181,101.60
  6. Step 6: Final answer
    x = 138,352.63

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1.5x scale

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.