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Finding the Fourth Proportional to 173,896.96, 260,823.66 and 55,558.48

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Solution

The fourth proportional to 173,896.96, 260,823.66 and 55,558.48 is: 83,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,896.96 : 260,823.66 = 55,558.48 : x
  2. Step 2: Convert to fraction form
    173,896.96/260,823.66 = 55,558.48/x
  3. Step 3: Cross multiply
    173,896.96x = 260,823.66 × 55,558.48
  4. Step 4: Simplify right side
    173,896.96x = 14,490,966,097.64
  5. Step 5: Solve for x
    x = 14,490,966,097.64/173,896.96
  6. Step 6: Final answer
    x = 83,330.76

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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.