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Finding the Fourth Proportional to 189,246.44, 283,870.71 and 56,127.69

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Solution

The fourth proportional to 189,246.44, 283,870.71 and 56,127.69 is: 84,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,246.44 : 283,870.71 = 56,127.69 : x
  2. Step 2: Convert to fraction form
    189,246.44/283,870.71 = 56,127.69/x
  3. Step 3: Cross multiply
    189,246.44x = 283,870.71 × 56,127.69
  4. Step 4: Simplify right side
    189,246.44x = 15,933,007,210.96
  5. Step 5: Solve for x
    x = 15,933,007,210.96/189,246.44
  6. Step 6: Final answer
    x = 84,191.85

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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.