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Finding the Fourth Proportional to 132,870.84, 199,401 and 73,753.80

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Solution

The fourth proportional to 132,870.84, 199,401 and 73,753.80 is: 110,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,870.84 : 199,401 = 73,753.80 : x
  2. Step 2: Convert to fraction form
    132,870.84/199,401 = 73,753.80/x
  3. Step 3: Cross multiply
    132,870.84x = 199,401 × 73,753.80
  4. Step 4: Simplify right side
    132,870.84x = 14,706,581,473.80
  5. Step 5: Solve for x
    x = 14,706,581,473.80/132,870.84
  6. Step 6: Final answer
    x = 110,683.29

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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.