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Finding the Fourth Proportional to 371,107.50, 556,683.70 and 104,887.92

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Solution

The fourth proportional to 371,107.50, 556,683.70 and 104,887.92 is: 157,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,107.50 : 556,683.70 = 104,887.92 : x
  2. Step 2: Convert to fraction form
    371,107.50/556,683.70 = 104,887.92/x
  3. Step 3: Cross multiply
    371,107.50x = 556,683.70 × 104,887.92
  4. Step 4: Simplify right side
    371,107.50x = 58,389,395,390.90
  5. Step 5: Solve for x
    x = 58,389,395,390.90/371,107.50
  6. Step 6: Final answer
    x = 157,338.23

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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.