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Finding the Fourth Proportional to 133,702.80, 200,554.20 and 54,873.60

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Solution

The fourth proportional to 133,702.80, 200,554.20 and 54,873.60 is: 82,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,702.80 : 200,554.20 = 54,873.60 : x
  2. Step 2: Convert to fraction form
    133,702.80/200,554.20 = 54,873.60/x
  3. Step 3: Cross multiply
    133,702.80x = 200,554.20 × 54,873.60
  4. Step 4: Simplify right side
    133,702.80x = 11,005,130,949.12
  5. Step 5: Solve for x
    x = 11,005,130,949.12/133,702.80
  6. Step 6: Final answer
    x = 82,310.40

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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.