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Finding the Fourth Proportional to 99,314.70, 148,932.45 and 32,736.30

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Solution

The fourth proportional to 99,314.70, 148,932.45 and 32,736.30 is: 49,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314.70 : 148,932.45 = 32,736.30 : x
  2. Step 2: Convert to fraction form
    99,314.70/148,932.45 = 32,736.30/x
  3. Step 3: Cross multiply
    99,314.70x = 148,932.45 × 32,736.30
  4. Step 4: Simplify right side
    99,314.70x = 4,875,497,362.94
  5. Step 5: Solve for x
    x = 4,875,497,362.94/99,314.70
  6. Step 6: Final answer
    x = 49,091.40

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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.