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Finding the Fourth Proportional to 70,101.85, 104,968.25 and 41,955.16

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Solution

The fourth proportional to 70,101.85, 104,968.25 and 41,955.16 is: 62,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,101.85 : 104,968.25 = 41,955.16 : x
  2. Step 2: Convert to fraction form
    70,101.85/104,968.25 = 41,955.16/x
  3. Step 3: Cross multiply
    70,101.85x = 104,968.25 × 41,955.16
  4. Step 4: Simplify right side
    70,101.85x = 4,403,959,513.89
  5. Step 5: Solve for x
    x = 4,403,959,513.89/70,101.85
  6. Step 6: Final answer
    x = 62,822.30

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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.