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Finding the Fourth Proportional to 164,051.40, 246,186.45 and 75,259.20

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Solution

The fourth proportional to 164,051.40, 246,186.45 and 75,259.20 is: 112,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,051.40 : 246,186.45 = 75,259.20 : x
  2. Step 2: Convert to fraction form
    164,051.40/246,186.45 = 75,259.20/x
  3. Step 3: Cross multiply
    164,051.40x = 246,186.45 × 75,259.20
  4. Step 4: Simplify right side
    164,051.40x = 18,527,795,277.84
  5. Step 5: Solve for x
    x = 18,527,795,277.84/164,051.40
  6. Step 6: Final answer
    x = 112,938.96

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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.