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Finding the Fourth Proportional to 151,997.58, 209,756.25 and 84,929.58

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Solution

The fourth proportional to 151,997.58, 209,756.25 and 84,929.58 is: 117,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,997.58 : 209,756.25 = 84,929.58 : x
  2. Step 2: Convert to fraction form
    151,997.58/209,756.25 = 84,929.58/x
  3. Step 3: Cross multiply
    151,997.58x = 209,756.25 × 84,929.58
  4. Step 4: Simplify right side
    151,997.58x = 17,814,510,214.88
  5. Step 5: Solve for x
    x = 17,814,510,214.88/151,997.58
  6. Step 6: Final answer
    x = 117,202.59

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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.