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Finding the Fourth Proportional to 264,495.72, 365,002.97 and 143,636.16

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Solution

The fourth proportional to 264,495.72, 365,002.97 and 143,636.16 is: 198,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,495.72 : 365,002.97 = 143,636.16 : x
  2. Step 2: Convert to fraction form
    264,495.72/365,002.97 = 143,636.16/x
  3. Step 3: Cross multiply
    264,495.72x = 365,002.97 × 143,636.16
  4. Step 4: Simplify right side
    264,495.72x = 52,427,624,281.21
  5. Step 5: Solve for x
    x = 52,427,624,281.21/264,495.72
  6. Step 6: Final answer
    x = 198,217.29

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1.5x scale

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.