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Finding the Fourth Proportional to 130,043.60, 194,773.80 and 130,043.60

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Solution

The fourth proportional to 130,043.60, 194,773.80 and 130,043.60 is: 194,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,043.60 : 194,773.80 = 130,043.60 : x
  2. Step 2: Convert to fraction form
    130,043.60/194,773.80 = 130,043.60/x
  3. Step 3: Cross multiply
    130,043.60x = 194,773.80 × 130,043.60
  4. Step 4: Simplify right side
    130,043.60x = 25,329,086,137.68
  5. Step 5: Solve for x
    x = 25,329,086,137.68/130,043.60
  6. Step 6: Final answer
    x = 194,773.80

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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.