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Finding the Fourth Proportional to 264,372.48, 364,834.08 and 143,513.64

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Solution

The fourth proportional to 264,372.48, 364,834.08 and 143,513.64 is: 198,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,372.48 : 364,834.08 = 143,513.64 : x
  2. Step 2: Convert to fraction form
    264,372.48/364,834.08 = 143,513.64/x
  3. Step 3: Cross multiply
    264,372.48x = 364,834.08 × 143,513.64
  4. Step 4: Simplify right side
    264,372.48x = 52,358,666,816.85
  5. Step 5: Solve for x
    x = 52,358,666,816.85/264,372.48
  6. Step 6: Final answer
    x = 198,048.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.