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Finding the Fourth Proportional to 161,371.08, 242,057.70 and 56,189.70

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Solution

The fourth proportional to 161,371.08, 242,057.70 and 56,189.70 is: 84,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,371.08 : 242,057.70 = 56,189.70 : x
  2. Step 2: Convert to fraction form
    161,371.08/242,057.70 = 56,189.70/x
  3. Step 3: Cross multiply
    161,371.08x = 242,057.70 × 56,189.70
  4. Step 4: Simplify right side
    161,371.08x = 13,601,149,545.69
  5. Step 5: Solve for x
    x = 13,601,149,545.69/161,371.08
  6. Step 6: Final answer
    x = 84,284.93

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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.