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Finding the Fourth Proportional to 181,093.40, 249,896.76 and 109,512.88

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Solution

The fourth proportional to 181,093.40, 249,896.76 and 109,512.88 is: 151,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,093.40 : 249,896.76 = 109,512.88 : x
  2. Step 2: Convert to fraction form
    181,093.40/249,896.76 = 109,512.88/x
  3. Step 3: Cross multiply
    181,093.40x = 249,896.76 × 109,512.88
  4. Step 4: Simplify right side
    181,093.40x = 27,366,913,890.27
  5. Step 5: Solve for x
    x = 27,366,913,890.27/181,093.40
  6. Step 6: Final answer
    x = 151,120.44

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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.