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Finding the Fourth Proportional to 70,698.74, 97,554.10 and 41,609.81

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Solution

The fourth proportional to 70,698.74, 97,554.10 and 41,609.81 is: 57,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,698.74 : 97,554.10 = 41,609.81 : x
  2. Step 2: Convert to fraction form
    70,698.74/97,554.10 = 41,609.81/x
  3. Step 3: Cross multiply
    70,698.74x = 97,554.10 × 41,609.81
  4. Step 4: Simplify right side
    70,698.74x = 4,059,207,425.86
  5. Step 5: Solve for x
    x = 4,059,207,425.86/70,698.74
  6. Step 6: Final answer
    x = 57,415.56

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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.