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Finding the Fourth Proportional to 159,698.64, 220,399.70 and 119,342.32

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Solution

The fourth proportional to 159,698.64, 220,399.70 and 119,342.32 is: 164,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,698.64 : 220,399.70 = 119,342.32 : x
  2. Step 2: Convert to fraction form
    159,698.64/220,399.70 = 119,342.32/x
  3. Step 3: Cross multiply
    159,698.64x = 220,399.70 × 119,342.32
  4. Step 4: Simplify right side
    159,698.64x = 26,303,011,525.30
  5. Step 5: Solve for x
    x = 26,303,011,525.30/159,698.64
  6. Step 6: Final answer
    x = 164,704.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.