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Finding the Fourth Proportional to 187,235.70, 280,853.55 and 168,573.30

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Solution

The fourth proportional to 187,235.70, 280,853.55 and 168,573.30 is: 252,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,235.70 : 280,853.55 = 168,573.30 : x
  2. Step 2: Convert to fraction form
    187,235.70/280,853.55 = 168,573.30/x
  3. Step 3: Cross multiply
    187,235.70x = 280,853.55 × 168,573.30
  4. Step 4: Simplify right side
    187,235.70x = 47,344,409,740.22
  5. Step 5: Solve for x
    x = 47,344,409,740.22/187,235.70
  6. Step 6: Final answer
    x = 252,859.95

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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.