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Finding the Fourth Proportional to 220,318.93, 304,042.05 and 119,716.93

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Solution

The fourth proportional to 220,318.93, 304,042.05 and 119,716.93 is: 165,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,318.93 : 304,042.05 = 119,716.93 : x
  2. Step 2: Convert to fraction form
    220,318.93/304,042.05 = 119,716.93/x
  3. Step 3: Cross multiply
    220,318.93x = 304,042.05 × 119,716.93
  4. Step 4: Simplify right side
    220,318.93x = 36,398,980,816.91
  5. Step 5: Solve for x
    x = 36,398,980,816.91/220,318.93
  6. Step 6: Final answer
    x = 165,210.41

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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.