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Finding the Fourth Proportional to 82,555.80, 123,850.92 and 37,555.80

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Solution

The fourth proportional to 82,555.80, 123,850.92 and 37,555.80 is: 56,341.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,555.80 : 123,850.92 = 37,555.80 : x
  2. Step 2: Convert to fraction form
    82,555.80/123,850.92 = 37,555.80/x
  3. Step 3: Cross multiply
    82,555.80x = 123,850.92 × 37,555.80
  4. Step 4: Simplify right side
    82,555.80x = 4,651,320,381.34
  5. Step 5: Solve for x
    x = 4,651,320,381.34/82,555.80
  6. Step 6: Final answer
    x = 56,341.53

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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.