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Finding the Fourth Proportional to 226,870.92, 340,293.96 and 69,086.16

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Solution

The fourth proportional to 226,870.92, 340,293.96 and 69,086.16 is: 103,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,870.92 : 340,293.96 = 69,086.16 : x
  2. Step 2: Convert to fraction form
    226,870.92/340,293.96 = 69,086.16/x
  3. Step 3: Cross multiply
    226,870.92x = 340,293.96 × 69,086.16
  4. Step 4: Simplify right side
    226,870.92x = 23,509,602,967.59
  5. Step 5: Solve for x
    x = 23,509,602,967.59/226,870.92
  6. Step 6: Final answer
    x = 103,625.46

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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.