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Finding the Fourth Proportional to 79,808.64, 110,137.59 and 44,000.16

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Solution

The fourth proportional to 79,808.64, 110,137.59 and 44,000.16 is: 60,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.64 : 110,137.59 = 44,000.16 : x
  2. Step 2: Convert to fraction form
    79,808.64/110,137.59 = 44,000.16/x
  3. Step 3: Cross multiply
    79,808.64x = 110,137.59 × 44,000.16
  4. Step 4: Simplify right side
    79,808.64x = 4,846,071,582.01
  5. Step 5: Solve for x
    x = 4,846,071,582.01/79,808.64
  6. Step 6: Final answer
    x = 60,721.14

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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.