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Finding the Fourth Proportional to 70,523.93, 97,323.02 and 40,309.90

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Solution

The fourth proportional to 70,523.93, 97,323.02 and 40,309.90 is: 55,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,523.93 : 97,323.02 = 40,309.90 : x
  2. Step 2: Convert to fraction form
    70,523.93/97,323.02 = 40,309.90/x
  3. Step 3: Cross multiply
    70,523.93x = 97,323.02 × 40,309.90
  4. Step 4: Simplify right side
    70,523.93x = 3,923,081,426.33
  5. Step 5: Solve for x
    x = 3,923,081,426.33/70,523.93
  6. Step 6: Final answer
    x = 55,627.66

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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.