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Finding the Fourth Proportional to 219,049.84, 302,276.20 and 123,550.84

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Solution

The fourth proportional to 219,049.84, 302,276.20 and 123,550.84 is: 170,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,049.84 : 302,276.20 = 123,550.84 : x
  2. Step 2: Convert to fraction form
    219,049.84/302,276.20 = 123,550.84/x
  3. Step 3: Cross multiply
    219,049.84x = 302,276.20 × 123,550.84
  4. Step 4: Simplify right side
    219,049.84x = 37,346,478,422.01
  5. Step 5: Solve for x
    x = 37,346,478,422.01/219,049.84
  6. Step 6: Final answer
    x = 170,493.06

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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.