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Finding the Fourth Proportional to 209,495.82, 289,110.26 and 114,008.56

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Solution

The fourth proportional to 209,495.82, 289,110.26 and 114,008.56 is: 157,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,495.82 : 289,110.26 = 114,008.56 : x
  2. Step 2: Convert to fraction form
    209,495.82/289,110.26 = 114,008.56/x
  3. Step 3: Cross multiply
    209,495.82x = 289,110.26 × 114,008.56
  4. Step 4: Simplify right side
    209,495.82x = 32,961,044,423.83
  5. Step 5: Solve for x
    x = 32,961,044,423.83/209,495.82
  6. Step 6: Final answer
    x = 157,335.09

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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.