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Finding the Fourth Proportional to 114,804.17, 172,221.81 and 39,914.63

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Solution

The fourth proportional to 114,804.17, 172,221.81 and 39,914.63 is: 59,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,804.17 : 172,221.81 = 39,914.63 : x
  2. Step 2: Convert to fraction form
    114,804.17/172,221.81 = 39,914.63/x
  3. Step 3: Cross multiply
    114,804.17x = 172,221.81 × 39,914.63
  4. Step 4: Simplify right side
    114,804.17x = 6,874,169,636.35
  5. Step 5: Solve for x
    x = 6,874,169,636.35/114,804.17
  6. Step 6: Final answer
    x = 59,877.35

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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.