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Finding the Fourth Proportional to 73,506.60, 102,687.30 and 73,506.60

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Solution

The fourth proportional to 73,506.60, 102,687.30 and 73,506.60 is: 102,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,506.60 : 102,687.30 = 73,506.60 : x
  2. Step 2: Convert to fraction form
    73,506.60/102,687.30 = 73,506.60/x
  3. Step 3: Cross multiply
    73,506.60x = 102,687.30 × 73,506.60
  4. Step 4: Simplify right side
    73,506.60x = 7,548,194,286.18
  5. Step 5: Solve for x
    x = 7,548,194,286.18/73,506.60
  6. Step 6: Final answer
    x = 102,687.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.