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Finding the Fourth Proportional to 188,947.46, 260,735.53 and 104,064.52

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Solution

The fourth proportional to 188,947.46, 260,735.53 and 104,064.52 is: 143,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,947.46 : 260,735.53 = 104,064.52 : x
  2. Step 2: Convert to fraction form
    188,947.46/260,735.53 = 104,064.52/x
  3. Step 3: Cross multiply
    188,947.46x = 260,735.53 × 104,064.52
  4. Step 4: Simplify right side
    188,947.46x = 27,133,317,776.40
  5. Step 5: Solve for x
    x = 27,133,317,776.40/188,947.46
  6. Step 6: Final answer
    x = 143,602.45

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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.