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Finding the Fourth Proportional to 146,859.86, 220,290 and 36,051.86

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Solution

The fourth proportional to 146,859.86, 220,290 and 36,051.86 is: 54,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,859.86 : 220,290 = 36,051.86 : x
  2. Step 2: Convert to fraction form
    146,859.86/220,290 = 36,051.86/x
  3. Step 3: Cross multiply
    146,859.86x = 220,290 × 36,051.86
  4. Step 4: Simplify right side
    146,859.86x = 7,941,864,239.40
  5. Step 5: Solve for x
    x = 7,941,864,239.40/146,859.86
  6. Step 6: Final answer
    x = 54,077.84

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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.