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Finding the Fourth Proportional to 188,502.91, 282,955.82 and 76,256.51

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Solution

The fourth proportional to 188,502.91, 282,955.82 and 76,256.51 is: 114,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502.91 : 282,955.82 = 76,256.51 : x
  2. Step 2: Convert to fraction form
    188,502.91/282,955.82 = 76,256.51/x
  3. Step 3: Cross multiply
    188,502.91x = 282,955.82 × 76,256.51
  4. Step 4: Simplify right side
    188,502.91x = 21,577,221,521.33
  5. Step 5: Solve for x
    x = 21,577,221,521.33/188,502.91
  6. Step 6: Final answer
    x = 114,466.25

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1.5x scale

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.