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Finding the Fourth Proportional to 332,671.08, 499,379.64 and 133,130.55

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Solution

The fourth proportional to 332,671.08, 499,379.64 and 133,130.55 is: 199,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,671.08 : 499,379.64 = 133,130.55 : x
  2. Step 2: Convert to fraction form
    332,671.08/499,379.64 = 133,130.55/x
  3. Step 3: Cross multiply
    332,671.08x = 499,379.64 × 133,130.55
  4. Step 4: Simplify right side
    332,671.08x = 66,482,686,132.00
  5. Step 5: Solve for x
    x = 66,482,686,132.00/332,671.08
  6. Step 6: Final answer
    x = 199,845.10

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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.