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Finding the Fourth Proportional to 132,753.60, 186,321.60 and 132,753.60

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Solution

The fourth proportional to 132,753.60, 186,321.60 and 132,753.60 is: 186,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,753.60 : 186,321.60 = 132,753.60 : x
  2. Step 2: Convert to fraction form
    132,753.60/186,321.60 = 132,753.60/x
  3. Step 3: Cross multiply
    132,753.60x = 186,321.60 × 132,753.60
  4. Step 4: Simplify right side
    132,753.60x = 24,734,863,157.76
  5. Step 5: Solve for x
    x = 24,734,863,157.76/132,753.60
  6. Step 6: Final answer
    x = 186,321.60

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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.