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Finding the Fourth Proportional to 238,977.63, 358,687.98 and 120,732.21

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Solution

The fourth proportional to 238,977.63, 358,687.98 and 120,732.21 is: 181,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,977.63 : 358,687.98 = 120,732.21 : x
  2. Step 2: Convert to fraction form
    238,977.63/358,687.98 = 120,732.21/x
  3. Step 3: Cross multiply
    238,977.63x = 358,687.98 × 120,732.21
  4. Step 4: Simplify right side
    238,977.63x = 43,305,192,525.84
  5. Step 5: Solve for x
    x = 43,305,192,525.84/238,977.63
  6. Step 6: Final answer
    x = 181,210.24

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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.