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Finding the Fourth Proportional to 219,668.76, 303,143.04 and 119,066.76

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Solution

The fourth proportional to 219,668.76, 303,143.04 and 119,066.76 is: 164,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,668.76 : 303,143.04 = 119,066.76 : x
  2. Step 2: Convert to fraction form
    219,668.76/303,143.04 = 119,066.76/x
  3. Step 3: Cross multiply
    219,668.76x = 303,143.04 × 119,066.76
  4. Step 4: Simplify right side
    219,668.76x = 36,094,259,589.35
  5. Step 5: Solve for x
    x = 36,094,259,589.35/219,668.76
  6. Step 6: Final answer
    x = 164,312.21

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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.