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Finding the Fourth Proportional to 234,744.88, 323,947 and 127,314.48

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Solution

The fourth proportional to 234,744.88, 323,947 and 127,314.48 is: 175,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,744.88 : 323,947 = 127,314.48 : x
  2. Step 2: Convert to fraction form
    234,744.88/323,947 = 127,314.48/x
  3. Step 3: Cross multiply
    234,744.88x = 323,947 × 127,314.48
  4. Step 4: Simplify right side
    234,744.88x = 41,243,143,852.56
  5. Step 5: Solve for x
    x = 41,243,143,852.56/234,744.88
  6. Step 6: Final answer
    x = 175,693.48

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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.