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Finding the Fourth Proportional to 173,621, 260,431.23 and 114,025.70

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Solution

The fourth proportional to 173,621, 260,431.23 and 114,025.70 is: 171,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,621 : 260,431.23 = 114,025.70 : x
  2. Step 2: Convert to fraction form
    173,621/260,431.23 = 114,025.70/x
  3. Step 3: Cross multiply
    173,621x = 260,431.23 × 114,025.70
  4. Step 4: Simplify right side
    173,621x = 29,695,853,302.61
  5. Step 5: Solve for x
    x = 29,695,853,302.61/173,621
  6. Step 6: Final answer
    x = 171,038.37

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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.