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Finding the Fourth Proportional to 72,077.94, 108,116.91 and 36,995.22

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Solution

The fourth proportional to 72,077.94, 108,116.91 and 36,995.22 is: 55,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,077.94 : 108,116.91 = 36,995.22 : x
  2. Step 2: Convert to fraction form
    72,077.94/108,116.91 = 36,995.22/x
  3. Step 3: Cross multiply
    72,077.94x = 108,116.91 × 36,995.22
  4. Step 4: Simplify right side
    72,077.94x = 3,999,808,871.17
  5. Step 5: Solve for x
    x = 3,999,808,871.17/72,077.94
  6. Step 6: Final answer
    x = 55,492.83

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.