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Finding the Fourth Proportional to 108,549.40, 162,850.02 and 45,334.30

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Solution

The fourth proportional to 108,549.40, 162,850.02 and 45,334.30 is: 68,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,549.40 : 162,850.02 = 45,334.30 : x
  2. Step 2: Convert to fraction form
    108,549.40/162,850.02 = 45,334.30/x
  3. Step 3: Cross multiply
    108,549.40x = 162,850.02 × 45,334.30
  4. Step 4: Simplify right side
    108,549.40x = 7,382,691,661.69
  5. Step 5: Solve for x
    x = 7,382,691,661.69/108,549.40
  6. Step 6: Final answer
    x = 68,012.28

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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.