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Finding the Fourth Proportional to 99,486.67, 149,230.02 and 32,908.93

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Solution

The fourth proportional to 99,486.67, 149,230.02 and 32,908.93 is: 49,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,486.67 : 149,230.02 = 32,908.93 : x
  2. Step 2: Convert to fraction form
    99,486.67/149,230.02 = 32,908.93/x
  3. Step 3: Cross multiply
    99,486.67x = 149,230.02 × 32,908.93
  4. Step 4: Simplify right side
    99,486.67x = 4,911,000,282.08
  5. Step 5: Solve for x
    x = 4,911,000,282.08/99,486.67
  6. Step 6: Final answer
    x = 49,363.40

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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.