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Finding the Fourth Proportional to 188,801.84, 260,553.48 and 103,922.48

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Solution

The fourth proportional to 188,801.84, 260,553.48 and 103,922.48 is: 143,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,801.84 : 260,553.48 = 103,922.48 : x
  2. Step 2: Convert to fraction form
    188,801.84/260,553.48 = 103,922.48/x
  3. Step 3: Cross multiply
    188,801.84x = 260,553.48 × 103,922.48
  4. Step 4: Simplify right side
    188,801.84x = 27,077,363,814.23
  5. Step 5: Solve for x
    x = 27,077,363,814.23/188,801.84
  6. Step 6: Final answer
    x = 143,416.84

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1.5x scale

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.