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Finding the Fourth Proportional to 173,359.90, 260,039.85 and 156,771.10

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Solution

The fourth proportional to 173,359.90, 260,039.85 and 156,771.10 is: 235,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,359.90 : 260,039.85 = 156,771.10 : x
  2. Step 2: Convert to fraction form
    173,359.90/260,039.85 = 156,771.10/x
  3. Step 3: Cross multiply
    173,359.90x = 260,039.85 × 156,771.10
  4. Step 4: Simplify right side
    173,359.90x = 40,766,733,328.34
  5. Step 5: Solve for x
    x = 40,766,733,328.34/173,359.90
  6. Step 6: Final answer
    x = 235,156.65

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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.