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Finding the Fourth Proportional to 219,944.40, 303,526.80 and 119,342.40

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Solution

The fourth proportional to 219,944.40, 303,526.80 and 119,342.40 is: 164,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,944.40 : 303,526.80 = 119,342.40 : x
  2. Step 2: Convert to fraction form
    219,944.40/303,526.80 = 119,342.40/x
  3. Step 3: Cross multiply
    219,944.40x = 303,526.80 × 119,342.40
  4. Step 4: Simplify right side
    219,944.40x = 36,223,616,776.32
  5. Step 5: Solve for x
    x = 36,223,616,776.32/219,944.40
  6. Step 6: Final answer
    x = 164,694.43

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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.