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Finding the Fourth Proportional to 432,089.62, 648,056.05 and 116,472.71

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Solution

The fourth proportional to 432,089.62, 648,056.05 and 116,472.71 is: 174,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,089.62 : 648,056.05 = 116,472.71 : x
  2. Step 2: Convert to fraction form
    432,089.62/648,056.05 = 116,472.71/x
  3. Step 3: Cross multiply
    432,089.62x = 648,056.05 × 116,472.71
  4. Step 4: Simplify right side
    432,089.62x = 75,480,844,375.40
  5. Step 5: Solve for x
    x = 75,480,844,375.40/432,089.62
  6. Step 6: Final answer
    x = 174,687.94

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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.