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Finding the Fourth Proportional to 175,082.55, 262,623.83 and 140,090.55

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Solution

The fourth proportional to 175,082.55, 262,623.83 and 140,090.55 is: 210,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,082.55 : 262,623.83 = 140,090.55 : x
  2. Step 2: Convert to fraction form
    175,082.55/262,623.83 = 140,090.55/x
  3. Step 3: Cross multiply
    175,082.55x = 262,623.83 × 140,090.55
  4. Step 4: Simplify right side
    175,082.55x = 36,791,116,087.35
  5. Step 5: Solve for x
    x = 36,791,116,087.35/175,082.55
  6. Step 6: Final answer
    x = 210,135.83

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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.