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Finding the Fourth Proportional to 70,608.94, 97,397.54 and 41,909.69

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Solution

The fourth proportional to 70,608.94, 97,397.54 and 41,909.69 is: 57,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,608.94 : 97,397.54 = 41,909.69 : x
  2. Step 2: Convert to fraction form
    70,608.94/97,397.54 = 41,909.69/x
  3. Step 3: Cross multiply
    70,608.94x = 97,397.54 × 41,909.69
  4. Step 4: Simplify right side
    70,608.94x = 4,081,900,769.77
  5. Step 5: Solve for x
    x = 4,081,900,769.77/70,608.94
  6. Step 6: Final answer
    x = 57,809.97

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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.