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Finding the Fourth Proportional to 319,954.63, 480,010.88 and 95,314.19

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Solution

The fourth proportional to 319,954.63, 480,010.88 and 95,314.19 is: 142,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,954.63 : 480,010.88 = 95,314.19 : x
  2. Step 2: Convert to fraction form
    319,954.63/480,010.88 = 95,314.19/x
  3. Step 3: Cross multiply
    319,954.63x = 480,010.88 × 95,314.19
  4. Step 4: Simplify right side
    319,954.63x = 45,751,845,341.76
  5. Step 5: Solve for x
    x = 45,751,845,341.76/319,954.63
  6. Step 6: Final answer
    x = 142,994.79

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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.