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Finding the Fourth Proportional to 247,187.93, 370,781.89 and 114,028.79

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Solution

The fourth proportional to 247,187.93, 370,781.89 and 114,028.79 is: 171,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,187.93 : 370,781.89 = 114,028.79 : x
  2. Step 2: Convert to fraction form
    247,187.93/370,781.89 = 114,028.79/x
  3. Step 3: Cross multiply
    247,187.93x = 370,781.89 × 114,028.79
  4. Step 4: Simplify right side
    247,187.93x = 42,279,808,131.63
  5. Step 5: Solve for x
    x = 42,279,808,131.63/247,187.93
  6. Step 6: Final answer
    x = 171,043.18

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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.