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Finding the Fourth Proportional to 203,337.60, 304,971.84 and 55,559.04

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Solution

The fourth proportional to 203,337.60, 304,971.84 and 55,559.04 is: 83,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,337.60 : 304,971.84 = 55,559.04 : x
  2. Step 2: Convert to fraction form
    203,337.60/304,971.84 = 55,559.04/x
  3. Step 3: Cross multiply
    203,337.60x = 304,971.84 × 55,559.04
  4. Step 4: Simplify right side
    203,337.60x = 16,943,942,657.43
  5. Step 5: Solve for x
    x = 16,943,942,657.43/203,337.60
  6. Step 6: Final answer
    x = 83,329.12

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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.