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Finding the Fourth Proportional to 79,038.01, 109,071.08 and 43,227.24

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Solution

The fourth proportional to 79,038.01, 109,071.08 and 43,227.24 is: 59,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,038.01 : 109,071.08 = 43,227.24 : x
  2. Step 2: Convert to fraction form
    79,038.01/109,071.08 = 43,227.24/x
  3. Step 3: Cross multiply
    79,038.01x = 109,071.08 × 43,227.24
  4. Step 4: Simplify right side
    79,038.01x = 4,714,840,990.73
  5. Step 5: Solve for x
    x = 4,714,840,990.73/79,038.01
  6. Step 6: Final answer
    x = 59,652.83

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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.