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Finding the Fourth Proportional to 220,341.25, 304,073.36 and 119,739.25

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Solution

The fourth proportional to 220,341.25, 304,073.36 and 119,739.25 is: 165,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,341.25 : 304,073.36 = 119,739.25 : x
  2. Step 2: Convert to fraction form
    220,341.25/304,073.36 = 119,739.25/x
  3. Step 3: Cross multiply
    220,341.25x = 304,073.36 × 119,739.25
  4. Step 4: Simplify right side
    220,341.25x = 36,409,516,071.38
  5. Step 5: Solve for x
    x = 36,409,516,071.38/220,341.25
  6. Step 6: Final answer
    x = 165,241.49

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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.