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Finding the Fourth Proportional to 73,226.70, 109,969.65 and 56,627.10

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Solution

The fourth proportional to 73,226.70, 109,969.65 and 56,627.10 is: 85,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,226.70 : 109,969.65 = 56,627.10 : x
  2. Step 2: Convert to fraction form
    73,226.70/109,969.65 = 56,627.10/x
  3. Step 3: Cross multiply
    73,226.70x = 109,969.65 × 56,627.10
  4. Step 4: Simplify right side
    73,226.70x = 6,227,262,367.52
  5. Step 5: Solve for x
    x = 6,227,262,367.52/73,226.70
  6. Step 6: Final answer
    x = 85,040.87

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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.