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Finding the Fourth Proportional to 169,238.25, 253,974.06 and 58,430.25

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Solution

The fourth proportional to 169,238.25, 253,974.06 and 58,430.25 is: 87,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,238.25 : 253,974.06 = 58,430.25 : x
  2. Step 2: Convert to fraction form
    169,238.25/253,974.06 = 58,430.25/x
  3. Step 3: Cross multiply
    169,238.25x = 253,974.06 × 58,430.25
  4. Step 4: Simplify right side
    169,238.25x = 14,839,767,819.32
  5. Step 5: Solve for x
    x = 14,839,767,819.32/169,238.25
  6. Step 6: Final answer
    x = 87,685.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.