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Finding the Fourth Proportional to 54,750.60, 82,298.70 and 50,603.40

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Solution

The fourth proportional to 54,750.60, 82,298.70 and 50,603.40 is: 76,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.60 : 82,298.70 = 50,603.40 : x
  2. Step 2: Convert to fraction form
    54,750.60/82,298.70 = 50,603.40/x
  3. Step 3: Cross multiply
    54,750.60x = 82,298.70 × 50,603.40
  4. Step 4: Simplify right side
    54,750.60x = 4,164,594,035.58
  5. Step 5: Solve for x
    x = 4,164,594,035.58/54,750.60
  6. Step 6: Final answer
    x = 76,064.81

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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.