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Finding the Fourth Proportional to 234,886.96, 324,144.90 and 127,456.99

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Solution

The fourth proportional to 234,886.96, 324,144.90 and 127,456.99 is: 175,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,886.96 : 324,144.90 = 127,456.99 : x
  2. Step 2: Convert to fraction form
    234,886.96/324,144.90 = 127,456.99/x
  3. Step 3: Cross multiply
    234,886.96x = 324,144.90 × 127,456.99
  4. Step 4: Simplify right side
    234,886.96x = 41,314,533,663.48
  5. Step 5: Solve for x
    x = 41,314,533,663.48/234,886.96
  6. Step 6: Final answer
    x = 175,891.13

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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.