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Finding the Fourth Proportional to 319,954.13, 480,010.13 and 95,313.69

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Solution

The fourth proportional to 319,954.13, 480,010.13 and 95,313.69 is: 142,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,954.13 : 480,010.13 = 95,313.69 : x
  2. Step 2: Convert to fraction form
    319,954.13/480,010.13 = 95,313.69/x
  3. Step 3: Cross multiply
    319,954.13x = 480,010.13 × 95,313.69
  4. Step 4: Simplify right side
    319,954.13x = 45,751,534,451.07
  5. Step 5: Solve for x
    x = 45,751,534,451.07/319,954.13
  6. Step 6: Final answer
    x = 142,994.04

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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.