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Finding the Fourth Proportional to 173,892.40, 260,838.60 and 168,971.65

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Solution

The fourth proportional to 173,892.40, 260,838.60 and 168,971.65 is: 253,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,892.40 : 260,838.60 = 168,971.65 : x
  2. Step 2: Convert to fraction form
    173,892.40/260,838.60 = 168,971.65/x
  3. Step 3: Cross multiply
    173,892.40x = 260,838.60 × 168,971.65
  4. Step 4: Simplify right side
    173,892.40x = 44,074,328,625.69
  5. Step 5: Solve for x
    x = 44,074,328,625.69/173,892.40
  6. Step 6: Final answer
    x = 253,457.48

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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.