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Finding the Fourth Proportional to 181,710.39, 250,654.05 and 118,090.56

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Solution

The fourth proportional to 181,710.39, 250,654.05 and 118,090.56 is: 162,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,710.39 : 250,654.05 = 118,090.56 : x
  2. Step 2: Convert to fraction form
    181,710.39/250,654.05 = 118,090.56/x
  3. Step 3: Cross multiply
    181,710.39x = 250,654.05 × 118,090.56
  4. Step 4: Simplify right side
    181,710.39x = 29,599,877,130.77
  5. Step 5: Solve for x
    x = 29,599,877,130.77/181,710.39
  6. Step 6: Final answer
    x = 162,895.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.