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Finding the Fourth Proportional to 70,751.75, 97,677.72 and 46,910.66

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Solution

The fourth proportional to 70,751.75, 97,677.72 and 46,910.66 is: 64,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,751.75 : 97,677.72 = 46,910.66 : x
  2. Step 2: Convert to fraction form
    70,751.75/97,677.72 = 46,910.66/x
  3. Step 3: Cross multiply
    70,751.75x = 97,677.72 × 46,910.66
  4. Step 4: Simplify right side
    70,751.75x = 4,582,125,824.11
  5. Step 5: Solve for x
    x = 4,582,125,824.11/70,751.75
  6. Step 6: Final answer
    x = 64,763.43

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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.