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Finding the Fourth Proportional to 202,830.60, 304,295.73 and 69,712.77

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Solution

The fourth proportional to 202,830.60, 304,295.73 and 69,712.77 is: 104,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,830.60 : 304,295.73 = 69,712.77 : x
  2. Step 2: Convert to fraction form
    202,830.60/304,295.73 = 69,712.77/x
  3. Step 3: Cross multiply
    202,830.60x = 304,295.73 × 69,712.77
  4. Step 4: Simplify right side
    202,830.60x = 21,213,298,237.47
  5. Step 5: Solve for x
    x = 21,213,298,237.47/202,830.60
  6. Step 6: Final answer
    x = 104,586.28

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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.