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Finding the Fourth Proportional to 99,793.80, 149,690.70 and 93,888.90

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Solution

The fourth proportional to 99,793.80, 149,690.70 and 93,888.90 is: 140,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793.80 : 149,690.70 = 93,888.90 : x
  2. Step 2: Convert to fraction form
    99,793.80/149,690.70 = 93,888.90/x
  3. Step 3: Cross multiply
    99,793.80x = 149,690.70 × 93,888.90
  4. Step 4: Simplify right side
    99,793.80x = 14,054,295,163.23
  5. Step 5: Solve for x
    x = 14,054,295,163.23/99,793.80
  6. Step 6: Final answer
    x = 140,833.35

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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.