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Finding the Fourth Proportional to 168,665.96, 252,916.32 and 56,307.62

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Solution

The fourth proportional to 168,665.96, 252,916.32 and 56,307.62 is: 84,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,665.96 : 252,916.32 = 56,307.62 : x
  2. Step 2: Convert to fraction form
    168,665.96/252,916.32 = 56,307.62/x
  3. Step 3: Cross multiply
    168,665.96x = 252,916.32 × 56,307.62
  4. Step 4: Simplify right side
    168,665.96x = 14,241,116,038.36
  5. Step 5: Solve for x
    x = 14,241,116,038.36/168,665.96
  6. Step 6: Final answer
    x = 84,433.85

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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.