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Finding the Fourth Proportional to 227,318.76, 340,977.66 and 69,547.32

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Solution

The fourth proportional to 227,318.76, 340,977.66 and 69,547.32 is: 104,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,318.76 : 340,977.66 = 69,547.32 : x
  2. Step 2: Convert to fraction form
    227,318.76/340,977.66 = 69,547.32/x
  3. Step 3: Cross multiply
    227,318.76x = 340,977.66 × 69,547.32
  4. Step 4: Simplify right side
    227,318.76x = 23,714,082,432.87
  5. Step 5: Solve for x
    x = 23,714,082,432.87/227,318.76
  6. Step 6: Final answer
    x = 104,320.83

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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.