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Finding the Fourth Proportional to 182,678.40, 251,127.60 and 157,090.56

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Solution

The fourth proportional to 182,678.40, 251,127.60 and 157,090.56 is: 215,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,678.40 : 251,127.60 = 157,090.56 : x
  2. Step 2: Convert to fraction form
    182,678.40/251,127.60 = 157,090.56/x
  3. Step 3: Cross multiply
    182,678.40x = 251,127.60 × 157,090.56
  4. Step 4: Simplify right side
    182,678.40x = 39,449,775,315.46
  5. Step 5: Solve for x
    x = 39,449,775,315.46/182,678.40
  6. Step 6: Final answer
    x = 215,952.05

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.