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Finding the Fourth Proportional to 110,473.56, 152,405.01 and 74,650.50

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Solution

The fourth proportional to 110,473.56, 152,405.01 and 74,650.50 is: 102,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,473.56 : 152,405.01 = 74,650.50 : x
  2. Step 2: Convert to fraction form
    110,473.56/152,405.01 = 74,650.50/x
  3. Step 3: Cross multiply
    110,473.56x = 152,405.01 × 74,650.50
  4. Step 4: Simplify right side
    110,473.56x = 11,377,110,199.01
  5. Step 5: Solve for x
    x = 11,377,110,199.01/110,473.56
  6. Step 6: Final answer
    x = 102,984.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.