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Finding the Fourth Proportional to 237,820.80, 356,785.92 and 80,045.04

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Solution

The fourth proportional to 237,820.80, 356,785.92 and 80,045.04 is: 120,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,820.80 : 356,785.92 = 80,045.04 : x
  2. Step 2: Convert to fraction form
    237,820.80/356,785.92 = 80,045.04/x
  3. Step 3: Cross multiply
    237,820.80x = 356,785.92 × 80,045.04
  4. Step 4: Simplify right side
    237,820.80x = 28,558,943,237.84
  5. Step 5: Solve for x
    x = 28,558,943,237.84/237,820.80
  6. Step 6: Final answer
    x = 120,085.98

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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.