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Finding the Fourth Proportional to 141,323.40, 211,985.10 and 36,136.80

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Solution

The fourth proportional to 141,323.40, 211,985.10 and 36,136.80 is: 54,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,323.40 : 211,985.10 = 36,136.80 : x
  2. Step 2: Convert to fraction form
    141,323.40/211,985.10 = 36,136.80/x
  3. Step 3: Cross multiply
    141,323.40x = 211,985.10 × 36,136.80
  4. Step 4: Simplify right side
    141,323.40x = 7,660,463,161.68
  5. Step 5: Solve for x
    x = 7,660,463,161.68/141,323.40
  6. Step 6: Final answer
    x = 54,205.20

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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.