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Finding the Fourth Proportional to 188,646.58, 282,496.66 and 112,698.28

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Solution

The fourth proportional to 188,646.58, 282,496.66 and 112,698.28 is: 168,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,646.58 : 282,496.66 = 112,698.28 : x
  2. Step 2: Convert to fraction form
    188,646.58/282,496.66 = 112,698.28/x
  3. Step 3: Cross multiply
    188,646.58x = 282,496.66 × 112,698.28
  4. Step 4: Simplify right side
    188,646.58x = 31,836,887,687.74
  5. Step 5: Solve for x
    x = 31,836,887,687.74/188,646.58
  6. Step 6: Final answer
    x = 168,764.72

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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.