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Finding the Fourth Proportional to 70,659.23, 97,485.62 and 43,791.93

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Solution

The fourth proportional to 70,659.23, 97,485.62 and 43,791.93 is: 60,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659.23 : 97,485.62 = 43,791.93 : x
  2. Step 2: Convert to fraction form
    70,659.23/97,485.62 = 43,791.93/x
  3. Step 3: Cross multiply
    70,659.23x = 97,485.62 × 43,791.93
  4. Step 4: Simplify right side
    70,659.23x = 4,269,083,228.09
  5. Step 5: Solve for x
    x = 4,269,083,228.09/70,659.23
  6. Step 6: Final answer
    x = 60,417.92

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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.