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Finding the Fourth Proportional to 173,898.72, 260,081.40 and 151,384.77

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Solution

The fourth proportional to 173,898.72, 260,081.40 and 151,384.77 is: 226,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,898.72 : 260,081.40 = 151,384.77 : x
  2. Step 2: Convert to fraction form
    173,898.72/260,081.40 = 151,384.77/x
  3. Step 3: Cross multiply
    173,898.72x = 260,081.40 × 151,384.77
  4. Step 4: Simplify right side
    173,898.72x = 39,372,362,920.28
  5. Step 5: Solve for x
    x = 39,372,362,920.28/173,898.72
  6. Step 6: Final answer
    x = 226,409.73

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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.