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Finding the Fourth Proportional to 173,428.34, 260,167.30 and 53,495.42

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Solution

The fourth proportional to 173,428.34, 260,167.30 and 53,495.42 is: 80,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,428.34 : 260,167.30 = 53,495.42 : x
  2. Step 2: Convert to fraction form
    173,428.34/260,167.30 = 53,495.42/x
  3. Step 3: Cross multiply
    173,428.34x = 260,167.30 × 53,495.42
  4. Step 4: Simplify right side
    173,428.34x = 13,917,757,549.19
  5. Step 5: Solve for x
    x = 13,917,757,549.19/173,428.34
  6. Step 6: Final answer
    x = 80,250.77

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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.