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Finding the Fourth Proportional to 210,595.80, 290,622.24 and 119,960.22

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Solution

The fourth proportional to 210,595.80, 290,622.24 and 119,960.22 is: 165,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,595.80 : 290,622.24 = 119,960.22 : x
  2. Step 2: Convert to fraction form
    210,595.80/290,622.24 = 119,960.22/x
  3. Step 3: Cross multiply
    210,595.80x = 290,622.24 × 119,960.22
  4. Step 4: Simplify right side
    210,595.80x = 34,863,107,847.29
  5. Step 5: Solve for x
    x = 34,863,107,847.29/210,595.80
  6. Step 6: Final answer
    x = 165,545.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.