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Finding the Fourth Proportional to 219,946.40, 303,529.56 and 119,344.40

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Solution

The fourth proportional to 219,946.40, 303,529.56 and 119,344.40 is: 164,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,946.40 : 303,529.56 = 119,344.40 : x
  2. Step 2: Convert to fraction form
    219,946.40/303,529.56 = 119,344.40/x
  3. Step 3: Cross multiply
    219,946.40x = 303,529.56 × 119,344.40
  4. Step 4: Simplify right side
    219,946.40x = 36,224,553,220.46
  5. Step 5: Solve for x
    x = 36,224,553,220.46/219,946.40
  6. Step 6: Final answer
    x = 164,697.19

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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.