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Finding the Fourth Proportional to 303,020.32, 418,170.95 and 167,059.24

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Solution

The fourth proportional to 303,020.32, 418,170.95 and 167,059.24 is: 230,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,020.32 : 418,170.95 = 167,059.24 : x
  2. Step 2: Convert to fraction form
    303,020.32/418,170.95 = 167,059.24/x
  3. Step 3: Cross multiply
    303,020.32x = 418,170.95 × 167,059.24
  4. Step 4: Simplify right side
    303,020.32x = 69,859,321,097.08
  5. Step 5: Solve for x
    x = 69,859,321,097.08/303,020.32
  6. Step 6: Final answer
    x = 230,543.35

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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.