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Finding the Fourth Proportional to 79,775.31, 110,090.68 and 43,966.63

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Solution

The fourth proportional to 79,775.31, 110,090.68 and 43,966.63 is: 60,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,775.31 : 110,090.68 = 43,966.63 : x
  2. Step 2: Convert to fraction form
    79,775.31/110,090.68 = 43,966.63/x
  3. Step 3: Cross multiply
    79,775.31x = 110,090.68 × 43,966.63
  4. Step 4: Simplify right side
    79,775.31x = 4,840,315,808.87
  5. Step 5: Solve for x
    x = 4,840,315,808.87/79,775.31
  6. Step 6: Final answer
    x = 60,674.36

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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.