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Finding the Fourth Proportional to 101,082.60, 151,623.90 and 99,114.30

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Solution

The fourth proportional to 101,082.60, 151,623.90 and 99,114.30 is: 148,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,082.60 : 151,623.90 = 99,114.30 : x
  2. Step 2: Convert to fraction form
    101,082.60/151,623.90 = 99,114.30/x
  3. Step 3: Cross multiply
    101,082.60x = 151,623.90 × 99,114.30
  4. Step 4: Simplify right side
    101,082.60x = 15,028,096,711.77
  5. Step 5: Solve for x
    x = 15,028,096,711.77/101,082.60
  6. Step 6: Final answer
    x = 148,671.45

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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.