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Finding the Fourth Proportional to 237,555.73, 356,385.48 and 79,780.06

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Solution

The fourth proportional to 237,555.73, 356,385.48 and 79,780.06 is: 119,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,555.73 : 356,385.48 = 79,780.06 : x
  2. Step 2: Convert to fraction form
    237,555.73/356,385.48 = 79,780.06/x
  3. Step 3: Cross multiply
    237,555.73x = 356,385.48 × 79,780.06
  4. Step 4: Simplify right side
    237,555.73x = 28,432,454,977.53
  5. Step 5: Solve for x
    x = 28,432,454,977.53/237,555.73
  6. Step 6: Final answer
    x = 119,687.51

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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.