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Finding the Fourth Proportional to 151,914.60, 227,871.90 and 52,061.40

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Solution

The fourth proportional to 151,914.60, 227,871.90 and 52,061.40 is: 78,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,914.60 : 227,871.90 = 52,061.40 : x
  2. Step 2: Convert to fraction form
    151,914.60/227,871.90 = 52,061.40/x
  3. Step 3: Cross multiply
    151,914.60x = 227,871.90 × 52,061.40
  4. Step 4: Simplify right side
    151,914.60x = 11,863,330,134.66
  5. Step 5: Solve for x
    x = 11,863,330,134.66/151,914.60
  6. Step 6: Final answer
    x = 78,092.10

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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.