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Finding the Fourth Proportional to 146,399.64, 219,630.32 and 56,444.64

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Solution

The fourth proportional to 146,399.64, 219,630.32 and 56,444.64 is: 84,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,399.64 : 219,630.32 = 56,444.64 : x
  2. Step 2: Convert to fraction form
    146,399.64/219,630.32 = 56,444.64/x
  3. Step 3: Cross multiply
    146,399.64x = 219,630.32 × 56,444.64
  4. Step 4: Simplify right side
    146,399.64x = 12,396,954,345.48
  5. Step 5: Solve for x
    x = 12,396,954,345.48/146,399.64
  6. Step 6: Final answer
    x = 84,678.86

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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.