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Finding the Fourth Proportional to 219,625.82, 302,857.34 and 187,899.74

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Solution

The fourth proportional to 219,625.82, 302,857.34 and 187,899.74 is: 259,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,625.82 : 302,857.34 = 187,899.74 : x
  2. Step 2: Convert to fraction form
    219,625.82/302,857.34 = 187,899.74/x
  3. Step 3: Cross multiply
    219,625.82x = 302,857.34 × 187,899.74
  4. Step 4: Simplify right side
    219,625.82x = 56,906,815,443.09
  5. Step 5: Solve for x
    x = 56,906,815,443.09/219,625.82
  6. Step 6: Final answer
    x = 259,108.04

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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.