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Finding the Fourth Proportional to 114,172.49, 157,505.46 and 73,899.19

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Solution

The fourth proportional to 114,172.49, 157,505.46 and 73,899.19 is: 101,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,172.49 : 157,505.46 = 73,899.19 : x
  2. Step 2: Convert to fraction form
    114,172.49/157,505.46 = 73,899.19/x
  3. Step 3: Cross multiply
    114,172.49x = 157,505.46 × 73,899.19
  4. Step 4: Simplify right side
    114,172.49x = 11,639,525,364.05
  5. Step 5: Solve for x
    x = 11,639,525,364.05/114,172.49
  6. Step 6: Final answer
    x = 101,946.85

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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.