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Finding the Fourth Proportional to 106,245.77, 146,619.60 and 63,805.01

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Solution

The fourth proportional to 106,245.77, 146,619.60 and 63,805.01 is: 88,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,245.77 : 146,619.60 = 63,805.01 : x
  2. Step 2: Convert to fraction form
    106,245.77/146,619.60 = 63,805.01/x
  3. Step 3: Cross multiply
    106,245.77x = 146,619.60 × 63,805.01
  4. Step 4: Simplify right side
    106,245.77x = 9,355,065,044.20
  5. Step 5: Solve for x
    x = 9,355,065,044.20/106,245.77
  6. Step 6: Final answer
    x = 88,051.18

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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.