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Finding the Fourth Proportional to 238,800.24, 357,905.12 and 120,505.41

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Solution

The fourth proportional to 238,800.24, 357,905.12 and 120,505.41 is: 180,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,800.24 : 357,905.12 = 120,505.41 : x
  2. Step 2: Convert to fraction form
    238,800.24/357,905.12 = 120,505.41/x
  3. Step 3: Cross multiply
    238,800.24x = 357,905.12 × 120,505.41
  4. Step 4: Simplify right side
    238,800.24x = 43,129,502,624.17
  5. Step 5: Solve for x
    x = 43,129,502,624.17/238,800.24
  6. Step 6: Final answer
    x = 180,609.13

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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.