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Finding the Fourth Proportional to 273,536.70, 410,074.65 and 142,208.70

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Solution

The fourth proportional to 273,536.70, 410,074.65 and 142,208.70 is: 213,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,536.70 : 410,074.65 = 142,208.70 : x
  2. Step 2: Convert to fraction form
    273,536.70/410,074.65 = 142,208.70/x
  3. Step 3: Cross multiply
    273,536.70x = 410,074.65 × 142,208.70
  4. Step 4: Simplify right side
    273,536.70x = 58,316,182,879.46
  5. Step 5: Solve for x
    x = 58,316,182,879.46/273,536.70
  6. Step 6: Final answer
    x = 213,193.27

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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.