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Finding the Fourth Proportional to 101,953.76, 152,989.89 and 41,988.27

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Solution

The fourth proportional to 101,953.76, 152,989.89 and 41,988.27 is: 63,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,953.76 : 152,989.89 = 41,988.27 : x
  2. Step 2: Convert to fraction form
    101,953.76/152,989.89 = 41,988.27/x
  3. Step 3: Cross multiply
    101,953.76x = 152,989.89 × 41,988.27
  4. Step 4: Simplify right side
    101,953.76x = 6,423,781,342.94
  5. Step 5: Solve for x
    x = 6,423,781,342.94/101,953.76
  6. Step 6: Final answer
    x = 63,006.81

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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.