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Finding the Fourth Proportional to 226,707, 340,074.54 and 68,947.08

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Solution

The fourth proportional to 226,707, 340,074.54 and 68,947.08 is: 103,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,707 : 340,074.54 = 68,947.08 : x
  2. Step 2: Convert to fraction form
    226,707/340,074.54 = 68,947.08/x
  3. Step 3: Cross multiply
    226,707x = 340,074.54 × 68,947.08
  4. Step 4: Simplify right side
    226,707x = 23,447,146,515.34
  5. Step 5: Solve for x
    x = 23,447,146,515.34/226,707
  6. Step 6: Final answer
    x = 103,424.89

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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.