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Finding the Fourth Proportional to 114,138.50, 157,511.67 and 63,837.50

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Solution

The fourth proportional to 114,138.50, 157,511.67 and 63,837.50 is: 88,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,138.50 : 157,511.67 = 63,837.50 : x
  2. Step 2: Convert to fraction form
    114,138.50/157,511.67 = 63,837.50/x
  3. Step 3: Cross multiply
    114,138.50x = 157,511.67 × 63,837.50
  4. Step 4: Simplify right side
    114,138.50x = 10,055,151,233.63
  5. Step 5: Solve for x
    x = 10,055,151,233.63/114,138.50
  6. Step 6: Final answer
    x = 88,096.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.