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Finding the Fourth Proportional to 70,684.56, 97,504.02 and 42,373.80

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Solution

The fourth proportional to 70,684.56, 97,504.02 and 42,373.80 is: 58,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684.56 : 97,504.02 = 42,373.80 : x
  2. Step 2: Convert to fraction form
    70,684.56/97,504.02 = 42,373.80/x
  3. Step 3: Cross multiply
    70,684.56x = 97,504.02 × 42,373.80
  4. Step 4: Simplify right side
    70,684.56x = 4,131,615,842.68
  5. Step 5: Solve for x
    x = 4,131,615,842.68/70,684.56
  6. Step 6: Final answer
    x = 58,451.46

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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.