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Finding the Fourth Proportional to 79,776.46, 110,110.27 and 49,584.58

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Solution

The fourth proportional to 79,776.46, 110,110.27 and 49,584.58 is: 68,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.46 : 110,110.27 = 49,584.58 : x
  2. Step 2: Convert to fraction form
    79,776.46/110,110.27 = 49,584.58/x
  3. Step 3: Cross multiply
    79,776.46x = 110,110.27 × 49,584.58
  4. Step 4: Simplify right side
    79,776.46x = 5,459,771,292.02
  5. Step 5: Solve for x
    x = 5,459,771,292.02/79,776.46
  6. Step 6: Final answer
    x = 68,438.38

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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.