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Finding the Fourth Proportional to 219,596.43, 302,922.03 and 151,649.08

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Solution

The fourth proportional to 219,596.43, 302,922.03 and 151,649.08 is: 209,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,596.43 : 302,922.03 = 151,649.08 : x
  2. Step 2: Convert to fraction form
    219,596.43/302,922.03 = 151,649.08/x
  3. Step 3: Cross multiply
    219,596.43x = 302,922.03 × 151,649.08
  4. Step 4: Simplify right side
    219,596.43x = 45,937,846,119.59
  5. Step 5: Solve for x
    x = 45,937,846,119.59/219,596.43
  6. Step 6: Final answer
    x = 209,192.13

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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.