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Finding the Fourth Proportional to 371,054.82, 556,126.20 and 171,097.68

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Solution

The fourth proportional to 371,054.82, 556,126.20 and 171,097.68 is: 256,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,054.82 : 556,126.20 = 171,097.68 : x
  2. Step 2: Convert to fraction form
    371,054.82/556,126.20 = 171,097.68/x
  3. Step 3: Cross multiply
    371,054.82x = 556,126.20 × 171,097.68
  4. Step 4: Simplify right side
    371,054.82x = 95,151,902,607.22
  5. Step 5: Solve for x
    x = 95,151,902,607.22/371,054.82
  6. Step 6: Final answer
    x = 256,436.24

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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.