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Finding the Fourth Proportional to 195,251.40, 292,790.70 and 90,102.60

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Solution

The fourth proportional to 195,251.40, 292,790.70 and 90,102.60 is: 135,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,251.40 : 292,790.70 = 90,102.60 : x
  2. Step 2: Convert to fraction form
    195,251.40/292,790.70 = 90,102.60/x
  3. Step 3: Cross multiply
    195,251.40x = 292,790.70 × 90,102.60
  4. Step 4: Simplify right side
    195,251.40x = 26,381,203,325.82
  5. Step 5: Solve for x
    x = 26,381,203,325.82/195,251.40
  6. Step 6: Final answer
    x = 135,114.03

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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.