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Finding the Fourth Proportional to 130,082.56, 195,120.80 and 59,961.87

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Solution

The fourth proportional to 130,082.56, 195,120.80 and 59,961.87 is: 89,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,082.56 : 195,120.80 = 59,961.87 : x
  2. Step 2: Convert to fraction form
    130,082.56/195,120.80 = 59,961.87/x
  3. Step 3: Cross multiply
    130,082.56x = 195,120.80 × 59,961.87
  4. Step 4: Simplify right side
    130,082.56x = 11,699,807,968.94
  5. Step 5: Solve for x
    x = 11,699,807,968.94/130,082.56
  6. Step 6: Final answer
    x = 89,941.40

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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.