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Finding the Fourth Proportional to 219,946.90, 303,530.26 and 119,344.90

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Solution

The fourth proportional to 219,946.90, 303,530.26 and 119,344.90 is: 164,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,946.90 : 303,530.26 = 119,344.90 : x
  2. Step 2: Convert to fraction form
    219,946.90/303,530.26 = 119,344.90/x
  3. Step 3: Cross multiply
    219,946.90x = 303,530.26 × 119,344.90
  4. Step 4: Simplify right side
    219,946.90x = 36,224,788,526.67
  5. Step 5: Solve for x
    x = 36,224,788,526.67/219,946.90
  6. Step 6: Final answer
    x = 164,697.88

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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.