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Finding the Fourth Proportional to 162,916, 244,465.73 and 127,277.41

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Solution

The fourth proportional to 162,916, 244,465.73 and 127,277.41 is: 190,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,916 : 244,465.73 = 127,277.41 : x
  2. Step 2: Convert to fraction form
    162,916/244,465.73 = 127,277.41/x
  3. Step 3: Cross multiply
    162,916x = 244,465.73 × 127,277.41
  4. Step 4: Simplify right side
    162,916x = 31,114,964,948.16
  5. Step 5: Solve for x
    x = 31,114,964,948.16/162,916
  6. Step 6: Final answer
    x = 190,987.78

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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.