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Finding the Fourth Proportional to 114,990.77, 172,513.87 and 36,104.94

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Solution

The fourth proportional to 114,990.77, 172,513.87 and 36,104.94 is: 54,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.77 : 172,513.87 = 36,104.94 : x
  2. Step 2: Convert to fraction form
    114,990.77/172,513.87 = 36,104.94/x
  3. Step 3: Cross multiply
    114,990.77x = 172,513.87 × 36,104.94
  4. Step 4: Simplify right side
    114,990.77x = 6,228,602,835.26
  5. Step 5: Solve for x
    x = 6,228,602,835.26/114,990.77
  6. Step 6: Final answer
    x = 54,166.11

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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.