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Finding the Fourth Proportional to 170,153.49, 255,230.24 and 45,491.25

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Solution

The fourth proportional to 170,153.49, 255,230.24 and 45,491.25 is: 68,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,153.49 : 255,230.24 = 45,491.25 : x
  2. Step 2: Convert to fraction form
    170,153.49/255,230.24 = 45,491.25/x
  3. Step 3: Cross multiply
    170,153.49x = 255,230.24 × 45,491.25
  4. Step 4: Simplify right side
    170,153.49x = 11,610,742,427.94
  5. Step 5: Solve for x
    x = 11,610,742,427.94/170,153.49
  6. Step 6: Final answer
    x = 68,236.88

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1.5x scale

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.