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Finding the Fourth Proportional to 220,007.63, 303,610.55 and 119,405.63

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Solution

The fourth proportional to 220,007.63, 303,610.55 and 119,405.63 is: 164,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,007.63 : 303,610.55 = 119,405.63 : x
  2. Step 2: Convert to fraction form
    220,007.63/303,610.55 = 119,405.63/x
  3. Step 3: Cross multiply
    220,007.63x = 303,610.55 × 119,405.63
  4. Step 4: Simplify right side
    220,007.63x = 36,252,806,882.32
  5. Step 5: Solve for x
    x = 36,252,806,882.32/220,007.63
  6. Step 6: Final answer
    x = 164,779.77

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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.