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Finding the Fourth Proportional to 99,043.51, 148,550.67 and 32,490.67

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Solution

The fourth proportional to 99,043.51, 148,550.67 and 32,490.67 is: 48,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043.51 : 148,550.67 = 32,490.67 : x
  2. Step 2: Convert to fraction form
    99,043.51/148,550.67 = 32,490.67/x
  3. Step 3: Cross multiply
    99,043.51x = 148,550.67 × 32,490.67
  4. Step 4: Simplify right side
    99,043.51x = 4,826,510,797.25
  5. Step 5: Solve for x
    x = 4,826,510,797.25/99,043.51
  6. Step 6: Final answer
    x = 48,731.22

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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.