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Finding the Fourth Proportional to 210,853.46, 290,949.08 and 125,952.50

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Solution

The fourth proportional to 210,853.46, 290,949.08 and 125,952.50 is: 173,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,853.46 : 290,949.08 = 125,952.50 : x
  2. Step 2: Convert to fraction form
    210,853.46/290,949.08 = 125,952.50/x
  3. Step 3: Cross multiply
    210,853.46x = 290,949.08 × 125,952.50
  4. Step 4: Simplify right side
    210,853.46x = 36,645,763,998.70
  5. Step 5: Solve for x
    x = 36,645,763,998.70/210,853.46
  6. Step 6: Final answer
    x = 173,797.31

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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.