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Finding the Fourth Proportional to 70,615.22, 97,536.80 and 52,791.17

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Solution

The fourth proportional to 70,615.22, 97,536.80 and 52,791.17 is: 72,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615.22 : 97,536.80 = 52,791.17 : x
  2. Step 2: Convert to fraction form
    70,615.22/97,536.80 = 52,791.17/x
  3. Step 3: Cross multiply
    70,615.22x = 97,536.80 × 52,791.17
  4. Step 4: Simplify right side
    70,615.22x = 5,149,081,526.10
  5. Step 5: Solve for x
    x = 5,149,081,526.10/70,615.22
  6. Step 6: Final answer
    x = 72,917.45

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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.