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Finding the Fourth Proportional to 137,492.94, 206,235.63 and 43,997.34

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Solution

The fourth proportional to 137,492.94, 206,235.63 and 43,997.34 is: 65,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,492.94 : 206,235.63 = 43,997.34 : x
  2. Step 2: Convert to fraction form
    137,492.94/206,235.63 = 43,997.34/x
  3. Step 3: Cross multiply
    137,492.94x = 206,235.63 × 43,997.34
  4. Step 4: Simplify right side
    137,492.94x = 9,073,819,133.22
  5. Step 5: Solve for x
    x = 9,073,819,133.22/137,492.94
  6. Step 6: Final answer
    x = 65,994.80

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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.