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Finding the Fourth Proportional to 130,491.44, 180,080.56 and 73,914.56

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Solution

The fourth proportional to 130,491.44, 180,080.56 and 73,914.56 is: 102,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,491.44 : 180,080.56 = 73,914.56 : x
  2. Step 2: Convert to fraction form
    130,491.44/180,080.56 = 73,914.56/x
  3. Step 3: Cross multiply
    130,491.44x = 180,080.56 × 73,914.56
  4. Step 4: Simplify right side
    130,491.44x = 13,310,575,356.95
  5. Step 5: Solve for x
    x = 13,310,575,356.95/130,491.44
  6. Step 6: Final answer
    x = 102,003.44

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1.5x scale

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.