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Finding the Fourth Proportional to 303,133.66, 418,318.92 and 167,180.16

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Solution

The fourth proportional to 303,133.66, 418,318.92 and 167,180.16 is: 230,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,133.66 : 418,318.92 = 167,180.16 : x
  2. Step 2: Convert to fraction form
    303,133.66/418,318.92 = 167,180.16/x
  3. Step 3: Cross multiply
    303,133.66x = 418,318.92 × 167,180.16
  4. Step 4: Simplify right side
    303,133.66x = 69,934,623,976.63
  5. Step 5: Solve for x
    x = 69,934,623,976.63/303,133.66
  6. Step 6: Final answer
    x = 230,705.57

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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.