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Finding the Fourth Proportional to 182,037.60, 272,959.20 and 76,737.60

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Solution

The fourth proportional to 182,037.60, 272,959.20 and 76,737.60 is: 115,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,037.60 : 272,959.20 = 76,737.60 : x
  2. Step 2: Convert to fraction form
    182,037.60/272,959.20 = 76,737.60/x
  3. Step 3: Cross multiply
    182,037.60x = 272,959.20 × 76,737.60
  4. Step 4: Simplify right side
    182,037.60x = 20,946,233,905.92
  5. Step 5: Solve for x
    x = 20,946,233,905.92/182,037.60
  6. Step 6: Final answer
    x = 115,065.43

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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.