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Finding the Fourth Proportional to 70,764.03, 97,617.42 and 53,740.26

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Solution

The fourth proportional to 70,764.03, 97,617.42 and 53,740.26 is: 74,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,764.03 : 97,617.42 = 53,740.26 : x
  2. Step 2: Convert to fraction form
    70,764.03/97,617.42 = 53,740.26/x
  3. Step 3: Cross multiply
    70,764.03x = 97,617.42 × 53,740.26
  4. Step 4: Simplify right side
    70,764.03x = 5,245,985,531.33
  5. Step 5: Solve for x
    x = 5,245,985,531.33/70,764.03
  6. Step 6: Final answer
    x = 74,133.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.