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Finding the Fourth Proportional to 152,081.40, 227,961.72 and 63,245.48

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Solution

The fourth proportional to 152,081.40, 227,961.72 and 63,245.48 is: 94,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,081.40 : 227,961.72 = 63,245.48 : x
  2. Step 2: Convert to fraction form
    152,081.40/227,961.72 = 63,245.48/x
  3. Step 3: Cross multiply
    152,081.40x = 227,961.72 × 63,245.48
  4. Step 4: Simplify right side
    152,081.40x = 14,417,548,403.03
  5. Step 5: Solve for x
    x = 14,417,548,403.03/152,081.40
  6. Step 6: Final answer
    x = 94,801.52

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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.