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Finding the Fourth Proportional to 79,998.68, 110,389.56 and 44,186.96

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Solution

The fourth proportional to 79,998.68, 110,389.56 and 44,186.96 is: 60,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,998.68 : 110,389.56 = 44,186.96 : x
  2. Step 2: Convert to fraction form
    79,998.68/110,389.56 = 44,186.96/x
  3. Step 3: Cross multiply
    79,998.68x = 110,389.56 × 44,186.96
  4. Step 4: Simplify right side
    79,998.68x = 4,877,779,072.14
  5. Step 5: Solve for x
    x = 4,877,779,072.14/79,998.68
  6. Step 6: Final answer
    x = 60,973.24

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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.