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Finding the Fourth Proportional to 151,828.60, 227,840.10 and 88,648.60

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Solution

The fourth proportional to 151,828.60, 227,840.10 and 88,648.60 is: 133,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,828.60 : 227,840.10 = 88,648.60 : x
  2. Step 2: Convert to fraction form
    151,828.60/227,840.10 = 88,648.60/x
  3. Step 3: Cross multiply
    151,828.60x = 227,840.10 × 88,648.60
  4. Step 4: Simplify right side
    151,828.60x = 20,197,705,888.86
  5. Step 5: Solve for x
    x = 20,197,705,888.86/151,828.60
  6. Step 6: Final answer
    x = 133,029.65

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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.