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Finding the Fourth Proportional to 189,000.70, 283,209.45 and 163,923.10

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Solution

The fourth proportional to 189,000.70, 283,209.45 and 163,923.10 is: 245,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,000.70 : 283,209.45 = 163,923.10 : x
  2. Step 2: Convert to fraction form
    189,000.70/283,209.45 = 163,923.10/x
  3. Step 3: Cross multiply
    189,000.70x = 283,209.45 × 163,923.10
  4. Step 4: Simplify right side
    189,000.70x = 46,424,570,993.30
  5. Step 5: Solve for x
    x = 46,424,570,993.30/189,000.70
  6. Step 6: Final answer
    x = 245,631.74

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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.