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Finding the Fourth Proportional to 188,943.30, 260,735.49 and 104,060.16

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Solution

The fourth proportional to 188,943.30, 260,735.49 and 104,060.16 is: 143,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943.30 : 260,735.49 = 104,060.16 : x
  2. Step 2: Convert to fraction form
    188,943.30/260,735.49 = 104,060.16/x
  3. Step 3: Cross multiply
    188,943.30x = 260,735.49 × 104,060.16
  4. Step 4: Simplify right side
    188,943.30x = 27,132,176,807.08
  5. Step 5: Solve for x
    x = 27,132,176,807.08/188,943.30
  6. Step 6: Final answer
    x = 143,599.57

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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.