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Finding the Fourth Proportional to 79,654.66, 109,926.36 and 43,846.18

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Solution

The fourth proportional to 79,654.66, 109,926.36 and 43,846.18 is: 60,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,654.66 : 109,926.36 = 43,846.18 : x
  2. Step 2: Convert to fraction form
    79,654.66/109,926.36 = 43,846.18/x
  3. Step 3: Cross multiply
    79,654.66x = 109,926.36 × 43,846.18
  4. Step 4: Simplify right side
    79,654.66x = 4,819,850,967.30
  5. Step 5: Solve for x
    x = 4,819,850,967.30/79,654.66
  6. Step 6: Final answer
    x = 60,509.34

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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.