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Finding the Fourth Proportional to 98,764.59, 148,108.61 and 35,571.23

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Solution

The fourth proportional to 98,764.59, 148,108.61 and 35,571.23 is: 53,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,764.59 : 148,108.61 = 35,571.23 : x
  2. Step 2: Convert to fraction form
    98,764.59/148,108.61 = 35,571.23/x
  3. Step 3: Cross multiply
    98,764.59x = 148,108.61 × 35,571.23
  4. Step 4: Simplify right side
    98,764.59x = 5,268,404,690.75
  5. Step 5: Solve for x
    x = 5,268,404,690.75/98,764.59
  6. Step 6: Final answer
    x = 53,343.05

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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.