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Finding the Fourth Proportional to 243,488.94, 365,199.39 and 83,562.36

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Solution

The fourth proportional to 243,488.94, 365,199.39 and 83,562.36 is: 125,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,488.94 : 365,199.39 = 83,562.36 : x
  2. Step 2: Convert to fraction form
    243,488.94/365,199.39 = 83,562.36/x
  3. Step 3: Cross multiply
    243,488.94x = 365,199.39 × 83,562.36
  4. Step 4: Simplify right side
    243,488.94x = 30,516,922,898.96
  5. Step 5: Solve for x
    x = 30,516,922,898.96/243,488.94
  6. Step 6: Final answer
    x = 125,331.86

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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.