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Finding the Fourth Proportional to 484,039.96, 726,094.62 and 129,052.12

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Solution

The fourth proportional to 484,039.96, 726,094.62 and 129,052.12 is: 193,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,039.96 : 726,094.62 = 129,052.12 : x
  2. Step 2: Convert to fraction form
    484,039.96/726,094.62 = 129,052.12/x
  3. Step 3: Cross multiply
    484,039.96x = 726,094.62 × 129,052.12
  4. Step 4: Simplify right side
    484,039.96x = 93,704,050,031.59
  5. Step 5: Solve for x
    x = 93,704,050,031.59/484,039.96
  6. Step 6: Final answer
    x = 193,587.43

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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.