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Finding the Fourth Proportional to 168,668.07, 252,916.12 and 56,307.90

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Solution

The fourth proportional to 168,668.07, 252,916.12 and 56,307.90 is: 84,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,668.07 : 252,916.12 = 56,307.90 : x
  2. Step 2: Convert to fraction form
    168,668.07/252,916.12 = 56,307.90/x
  3. Step 3: Cross multiply
    168,668.07x = 252,916.12 × 56,307.90
  4. Step 4: Simplify right side
    168,668.07x = 14,241,175,593.35
  5. Step 5: Solve for x
    x = 14,241,175,593.35/168,668.07
  6. Step 6: Final answer
    x = 84,433.14

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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.