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Finding the Fourth Proportional to 95,274.40, 142,868.40 and 36,090.40

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Solution

The fourth proportional to 95,274.40, 142,868.40 and 36,090.40 is: 54,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,274.40 : 142,868.40 = 36,090.40 : x
  2. Step 2: Convert to fraction form
    95,274.40/142,868.40 = 36,090.40/x
  3. Step 3: Cross multiply
    95,274.40x = 142,868.40 × 36,090.40
  4. Step 4: Simplify right side
    95,274.40x = 5,156,177,703.36
  5. Step 5: Solve for x
    x = 5,156,177,703.36/95,274.40
  6. Step 6: Final answer
    x = 54,119.24

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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.