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Finding the Fourth Proportional to 188,732.97, 260,366.85 and 127,459.26

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Solution

The fourth proportional to 188,732.97, 260,366.85 and 127,459.26 is: 175,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,732.97 : 260,366.85 = 127,459.26 : x
  2. Step 2: Convert to fraction form
    188,732.97/260,366.85 = 127,459.26/x
  3. Step 3: Cross multiply
    188,732.97x = 260,366.85 × 127,459.26
  4. Step 4: Simplify right side
    188,732.97x = 33,186,166,029.53
  5. Step 5: Solve for x
    x = 33,186,166,029.53/188,732.97
  6. Step 6: Final answer
    x = 175,836.61

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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.