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Finding the Fourth Proportional to 79,751.74, 110,056.86 and 43,940.92

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Solution

The fourth proportional to 79,751.74, 110,056.86 and 43,940.92 is: 60,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,751.74 : 110,056.86 = 43,940.92 : x
  2. Step 2: Convert to fraction form
    79,751.74/110,056.86 = 43,940.92/x
  3. Step 3: Cross multiply
    79,751.74x = 110,056.86 × 43,940.92
  4. Step 4: Simplify right side
    79,751.74x = 4,835,999,680.71
  5. Step 5: Solve for x
    x = 4,835,999,680.71/79,751.74
  6. Step 6: Final answer
    x = 60,638.17

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1.5x scale

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.