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Finding the Fourth Proportional to 234,970.65, 324,250.76 and 127,538.37

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Solution

The fourth proportional to 234,970.65, 324,250.76 and 127,538.37 is: 175,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,970.65 : 324,250.76 = 127,538.37 : x
  2. Step 2: Convert to fraction form
    234,970.65/324,250.76 = 127,538.37/x
  3. Step 3: Cross multiply
    234,970.65x = 324,250.76 × 127,538.37
  4. Step 4: Simplify right side
    234,970.65x = 41,354,412,763.97
  5. Step 5: Solve for x
    x = 41,354,412,763.97/234,970.65
  6. Step 6: Final answer
    x = 175,998.21

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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.