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Finding the Fourth Proportional to 180,754.92, 249,447.24 and 100,174.92

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Solution

The fourth proportional to 180,754.92, 249,447.24 and 100,174.92 is: 138,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,754.92 : 249,447.24 = 100,174.92 : x
  2. Step 2: Convert to fraction form
    180,754.92/249,447.24 = 100,174.92/x
  3. Step 3: Cross multiply
    180,754.92x = 249,447.24 × 100,174.92
  4. Step 4: Simplify right side
    180,754.92x = 24,988,357,311.22
  5. Step 5: Solve for x
    x = 24,988,357,311.22/180,754.92
  6. Step 6: Final answer
    x = 138,244.41

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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.