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Finding the Fourth Proportional to 220,316.94, 304,039.30 and 119,714.94

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Solution

The fourth proportional to 220,316.94, 304,039.30 and 119,714.94 is: 165,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,316.94 : 304,039.30 = 119,714.94 : x
  2. Step 2: Convert to fraction form
    220,316.94/304,039.30 = 119,714.94/x
  3. Step 3: Cross multiply
    220,316.94x = 304,039.30 × 119,714.94
  4. Step 4: Simplify right side
    220,316.94x = 36,398,046,557.14
  5. Step 5: Solve for x
    x = 36,398,046,557.14/220,316.94
  6. Step 6: Final answer
    x = 165,207.66

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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.