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Finding the Fourth Proportional to 88,136.40, 132,010.20 and 53,014.80

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Solution

The fourth proportional to 88,136.40, 132,010.20 and 53,014.80 is: 79,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,136.40 : 132,010.20 = 53,014.80 : x
  2. Step 2: Convert to fraction form
    88,136.40/132,010.20 = 53,014.80/x
  3. Step 3: Cross multiply
    88,136.40x = 132,010.20 × 53,014.80
  4. Step 4: Simplify right side
    88,136.40x = 6,998,494,350.96
  5. Step 5: Solve for x
    x = 6,998,494,350.96/88,136.40
  6. Step 6: Final answer
    x = 79,405.27

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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.