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Finding the Fourth Proportional to 202,739.20, 304,137.60 and 62,483.20

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Solution

The fourth proportional to 202,739.20, 304,137.60 and 62,483.20 is: 93,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,739.20 : 304,137.60 = 62,483.20 : x
  2. Step 2: Convert to fraction form
    202,739.20/304,137.60 = 62,483.20/x
  3. Step 3: Cross multiply
    202,739.20x = 304,137.60 × 62,483.20
  4. Step 4: Simplify right side
    202,739.20x = 19,003,490,488.32
  5. Step 5: Solve for x
    x = 19,003,490,488.32/202,739.20
  6. Step 6: Final answer
    x = 93,733.68

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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.