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Finding the Fourth Proportional to 219,869.04, 329,804.34 and 53,657.04

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Solution

The fourth proportional to 219,869.04, 329,804.34 and 53,657.04 is: 80,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,869.04 : 329,804.34 = 53,657.04 : x
  2. Step 2: Convert to fraction form
    219,869.04/329,804.34 = 53,657.04/x
  3. Step 3: Cross multiply
    219,869.04x = 329,804.34 × 53,657.04
  4. Step 4: Simplify right side
    219,869.04x = 17,696,324,663.55
  5. Step 5: Solve for x
    x = 17,696,324,663.55/219,869.04
  6. Step 6: Final answer
    x = 80,485.75

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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.