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Finding the Fourth Proportional to 220,007.13, 303,609.78 and 119,405.13

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Solution

The fourth proportional to 220,007.13, 303,609.78 and 119,405.13 is: 164,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,007.13 : 303,609.78 = 119,405.13 : x
  2. Step 2: Convert to fraction form
    220,007.13/303,609.78 = 119,405.13/x
  3. Step 3: Cross multiply
    220,007.13x = 303,609.78 × 119,405.13
  4. Step 4: Simplify right side
    220,007.13x = 36,252,565,250.17
  5. Step 5: Solve for x
    x = 36,252,565,250.17/220,007.13
  6. Step 6: Final answer
    x = 164,779.05

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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.