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Finding the Fourth Proportional to 190,022.80, 285,017.80 and 56,932.92

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Solution

The fourth proportional to 190,022.80, 285,017.80 and 56,932.92 is: 85,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,022.80 : 285,017.80 = 56,932.92 : x
  2. Step 2: Convert to fraction form
    190,022.80/285,017.80 = 56,932.92/x
  3. Step 3: Cross multiply
    190,022.80x = 285,017.80 × 56,932.92
  4. Step 4: Simplify right side
    190,022.80x = 16,226,895,605.98
  5. Step 5: Solve for x
    x = 16,226,895,605.98/190,022.80
  6. Step 6: Final answer
    x = 85,394.47

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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.