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Finding the Fourth Proportional to 167,085.40, 250,628.10 and 159,309.40

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Solution

The fourth proportional to 167,085.40, 250,628.10 and 159,309.40 is: 238,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,085.40 : 250,628.10 = 159,309.40 : x
  2. Step 2: Convert to fraction form
    167,085.40/250,628.10 = 159,309.40/x
  3. Step 3: Cross multiply
    167,085.40x = 250,628.10 × 159,309.40
  4. Step 4: Simplify right side
    167,085.40x = 39,927,412,234.14
  5. Step 5: Solve for x
    x = 39,927,412,234.14/167,085.40
  6. Step 6: Final answer
    x = 238,964.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.