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Finding the Fourth Proportional to 180,251.76, 248,725.56 and 99,668.28

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Solution

The fourth proportional to 180,251.76, 248,725.56 and 99,668.28 is: 137,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,251.76 : 248,725.56 = 99,668.28 : x
  2. Step 2: Convert to fraction form
    180,251.76/248,725.56 = 99,668.28/x
  3. Step 3: Cross multiply
    180,251.76x = 248,725.56 × 99,668.28
  4. Step 4: Simplify right side
    180,251.76x = 24,790,048,757.24
  5. Step 5: Solve for x
    x = 24,790,048,757.24/180,251.76
  6. Step 6: Final answer
    x = 137,530.13

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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.