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Finding the Fourth Proportional to 181,659.60, 272,489.40 and 102,927.60

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Solution

The fourth proportional to 181,659.60, 272,489.40 and 102,927.60 is: 154,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,659.60 : 272,489.40 = 102,927.60 : x
  2. Step 2: Convert to fraction form
    181,659.60/272,489.40 = 102,927.60/x
  3. Step 3: Cross multiply
    181,659.60x = 272,489.40 × 102,927.60
  4. Step 4: Simplify right side
    181,659.60x = 28,046,679,967.44
  5. Step 5: Solve for x
    x = 28,046,679,967.44/181,659.60
  6. Step 6: Final answer
    x = 154,391.40

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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.