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Finding the Fourth Proportional to 219,880.77, 303,436.04 and 119,278.77

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Solution

The fourth proportional to 219,880.77, 303,436.04 and 119,278.77 is: 164,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,880.77 : 303,436.04 = 119,278.77 : x
  2. Step 2: Convert to fraction form
    219,880.77/303,436.04 = 119,278.77/x
  3. Step 3: Cross multiply
    219,880.77x = 303,436.04 × 119,278.77
  4. Step 4: Simplify right side
    219,880.77x = 36,193,477,923.07
  5. Step 5: Solve for x
    x = 36,193,477,923.07/219,880.77
  6. Step 6: Final answer
    x = 164,605.02

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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.