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Finding the Fourth Proportional to 73,245.60, 109,868.40 and 62,359.20

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Solution

The fourth proportional to 73,245.60, 109,868.40 and 62,359.20 is: 93,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.60 : 109,868.40 = 62,359.20 : x
  2. Step 2: Convert to fraction form
    73,245.60/109,868.40 = 62,359.20/x
  3. Step 3: Cross multiply
    73,245.60x = 109,868.40 × 62,359.20
  4. Step 4: Simplify right side
    73,245.60x = 6,851,305,529.28
  5. Step 5: Solve for x
    x = 6,851,305,529.28/73,245.60
  6. Step 6: Final answer
    x = 93,538.80

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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.