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Finding the Fourth Proportional to 98,157.51, 147,125.84 and 41,969.43

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Solution

The fourth proportional to 98,157.51, 147,125.84 and 41,969.43 is: 62,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,157.51 : 147,125.84 = 41,969.43 : x
  2. Step 2: Convert to fraction form
    98,157.51/147,125.84 = 41,969.43/x
  3. Step 3: Cross multiply
    98,157.51x = 147,125.84 × 41,969.43
  4. Step 4: Simplify right side
    98,157.51x = 6,174,787,433.22
  5. Step 5: Solve for x
    x = 6,174,787,433.22/98,157.51
  6. Step 6: Final answer
    x = 62,906.93

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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.