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Finding the Fourth Proportional to 161,667.21, 242,500.86 and 49,348.07

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Solution

The fourth proportional to 161,667.21, 242,500.86 and 49,348.07 is: 74,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,667.21 : 242,500.86 = 49,348.07 : x
  2. Step 2: Convert to fraction form
    161,667.21/242,500.86 = 49,348.07/x
  3. Step 3: Cross multiply
    161,667.21x = 242,500.86 × 49,348.07
  4. Step 4: Simplify right side
    161,667.21x = 11,966,948,201.84
  5. Step 5: Solve for x
    x = 11,966,948,201.84/161,667.21
  6. Step 6: Final answer
    x = 74,022.11

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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.