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Finding the Fourth Proportional to 99,176.64, 148,764.66 and 35,996.69

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Solution

The fourth proportional to 99,176.64, 148,764.66 and 35,996.69 is: 53,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,176.64 : 148,764.66 = 35,996.69 : x
  2. Step 2: Convert to fraction form
    99,176.64/148,764.66 = 35,996.69/x
  3. Step 3: Cross multiply
    99,176.64x = 148,764.66 × 35,996.69
  4. Step 4: Simplify right side
    99,176.64x = 5,355,035,348.98
  5. Step 5: Solve for x
    x = 5,355,035,348.98/99,176.64
  6. Step 6: Final answer
    x = 53,994.93

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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.