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Finding the Fourth Proportional to 99,015.70, 148,523.55 and 92,017.30

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Solution

The fourth proportional to 99,015.70, 148,523.55 and 92,017.30 is: 138,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015.70 : 148,523.55 = 92,017.30 : x
  2. Step 2: Convert to fraction form
    99,015.70/148,523.55 = 92,017.30/x
  3. Step 3: Cross multiply
    99,015.70x = 148,523.55 × 92,017.30
  4. Step 4: Simplify right side
    99,015.70x = 13,666,736,057.42
  5. Step 5: Solve for x
    x = 13,666,736,057.42/99,015.70
  6. Step 6: Final answer
    x = 138,025.95

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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.