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Finding the Fourth Proportional to 219,334.56, 302,687.52 and 133,264.32

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Solution

The fourth proportional to 219,334.56, 302,687.52 and 133,264.32 is: 183,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,334.56 : 302,687.52 = 133,264.32 : x
  2. Step 2: Convert to fraction form
    219,334.56/302,687.52 = 133,264.32/x
  3. Step 3: Cross multiply
    219,334.56x = 302,687.52 × 133,264.32
  4. Step 4: Simplify right side
    219,334.56x = 40,337,446,525.29
  5. Step 5: Solve for x
    x = 40,337,446,525.29/219,334.56
  6. Step 6: Final answer
    x = 183,908.30

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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.