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Finding the Fourth Proportional to 134,135.70, 200,973.15 and 63,863.70

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Solution

The fourth proportional to 134,135.70, 200,973.15 and 63,863.70 is: 95,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,135.70 : 200,973.15 = 63,863.70 : x
  2. Step 2: Convert to fraction form
    134,135.70/200,973.15 = 63,863.70/x
  3. Step 3: Cross multiply
    134,135.70x = 200,973.15 × 63,863.70
  4. Step 4: Simplify right side
    134,135.70x = 12,834,888,959.66
  5. Step 5: Solve for x
    x = 12,834,888,959.66/134,135.70
  6. Step 6: Final answer
    x = 95,685.85

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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.