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Finding the Fourth Proportional to 220,329.72, 304,055.64 and 119,727.72

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Solution

The fourth proportional to 220,329.72, 304,055.64 and 119,727.72 is: 165,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,329.72 : 304,055.64 = 119,727.72 : x
  2. Step 2: Convert to fraction form
    220,329.72/304,055.64 = 119,727.72/x
  3. Step 3: Cross multiply
    220,329.72x = 304,055.64 × 119,727.72
  4. Step 4: Simplify right side
    220,329.72x = 36,403,888,530.34
  5. Step 5: Solve for x
    x = 36,403,888,530.34/220,329.72
  6. Step 6: Final answer
    x = 165,224.59

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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.