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Finding the Fourth Proportional to 227,152.32, 340,780.32 and 69,403.20

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Solution

The fourth proportional to 227,152.32, 340,780.32 and 69,403.20 is: 104,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,152.32 : 340,780.32 = 69,403.20 : x
  2. Step 2: Convert to fraction form
    227,152.32/340,780.32 = 69,403.20/x
  3. Step 3: Cross multiply
    227,152.32x = 340,780.32 × 69,403.20
  4. Step 4: Simplify right side
    227,152.32x = 23,651,244,705.02
  5. Step 5: Solve for x
    x = 23,651,244,705.02/227,152.32
  6. Step 6: Final answer
    x = 104,120.64

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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.