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Finding the Fourth Proportional to 161,883.40, 242,832.30 and 55,265.80

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Solution

The fourth proportional to 161,883.40, 242,832.30 and 55,265.80 is: 82,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,883.40 : 242,832.30 = 55,265.80 : x
  2. Step 2: Convert to fraction form
    161,883.40/242,832.30 = 55,265.80/x
  3. Step 3: Cross multiply
    161,883.40x = 242,832.30 × 55,265.80
  4. Step 4: Simplify right side
    161,883.40x = 13,420,321,325.34
  5. Step 5: Solve for x
    x = 13,420,321,325.34/161,883.40
  6. Step 6: Final answer
    x = 82,901.16

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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.