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Finding the Fourth Proportional to 112,760.55, 169,160.37 and 37,888

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Solution

The fourth proportional to 112,760.55, 169,160.37 and 37,888 is: 56,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,760.55 : 169,160.37 = 37,888 : x
  2. Step 2: Convert to fraction form
    112,760.55/169,160.37 = 37,888/x
  3. Step 3: Cross multiply
    112,760.55x = 169,160.37 × 37,888
  4. Step 4: Simplify right side
    112,760.55x = 6,409,148,098.56
  5. Step 5: Solve for x
    x = 6,409,148,098.56/112,760.55
  6. Step 6: Final answer
    x = 56,838.57

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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.