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Finding the Fourth Proportional to 271,495.60, 407,437.80 and 113,837.20

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Solution

The fourth proportional to 271,495.60, 407,437.80 and 113,837.20 is: 170,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,495.60 : 407,437.80 = 113,837.20 : x
  2. Step 2: Convert to fraction form
    271,495.60/407,437.80 = 113,837.20/x
  3. Step 3: Cross multiply
    271,495.60x = 407,437.80 × 113,837.20
  4. Step 4: Simplify right side
    271,495.60x = 46,381,578,326.16
  5. Step 5: Solve for x
    x = 46,381,578,326.16/271,495.60
  6. Step 6: Final answer
    x = 170,837.31

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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.