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Finding the Fourth Proportional to 101,059.60, 151,714.20 and 63,619.60

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Solution

The fourth proportional to 101,059.60, 151,714.20 and 63,619.60 is: 95,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,059.60 : 151,714.20 = 63,619.60 : x
  2. Step 2: Convert to fraction form
    101,059.60/151,714.20 = 63,619.60/x
  3. Step 3: Cross multiply
    101,059.60x = 151,714.20 × 63,619.60
  4. Step 4: Simplify right side
    101,059.60x = 9,651,996,718.32
  5. Step 5: Solve for x
    x = 9,651,996,718.32/101,059.60
  6. Step 6: Final answer
    x = 95,507.96

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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.