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Finding the Fourth Proportional to 226,683.90, 340,013.53 and 68,900.05

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Solution

The fourth proportional to 226,683.90, 340,013.53 and 68,900.05 is: 103,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,683.90 : 340,013.53 = 68,900.05 : x
  2. Step 2: Convert to fraction form
    226,683.90/340,013.53 = 68,900.05/x
  3. Step 3: Cross multiply
    226,683.90x = 340,013.53 × 68,900.05
  4. Step 4: Simplify right side
    226,683.90x = 23,426,949,728.82
  5. Step 5: Solve for x
    x = 23,426,949,728.82/226,683.90
  6. Step 6: Final answer
    x = 103,346.33

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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.