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Finding the Fourth Proportional to 254,866.80, 351,725.22 and 140,154.17

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Solution

The fourth proportional to 254,866.80, 351,725.22 and 140,154.17 is: 193,417.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,866.80 : 351,725.22 = 140,154.17 : x
  2. Step 2: Convert to fraction form
    254,866.80/351,725.22 = 140,154.17/x
  3. Step 3: Cross multiply
    254,866.80x = 351,725.22 × 140,154.17
  4. Step 4: Simplify right side
    254,866.80x = 49,295,754,518.54
  5. Step 5: Solve for x
    x = 49,295,754,518.54/254,866.80
  6. Step 6: Final answer
    x = 193,417.71

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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.