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Finding the Fourth Proportional to 99,330.84, 148,964.64 and 32,758.56

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Solution

The fourth proportional to 99,330.84, 148,964.64 and 32,758.56 is: 49,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,330.84 : 148,964.64 = 32,758.56 : x
  2. Step 2: Convert to fraction form
    99,330.84/148,964.64 = 32,758.56/x
  3. Step 3: Cross multiply
    99,330.84x = 148,964.64 × 32,758.56
  4. Step 4: Simplify right side
    99,330.84x = 4,879,867,097.32
  5. Step 5: Solve for x
    x = 4,879,867,097.32/99,330.84
  6. Step 6: Final answer
    x = 49,127.41

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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.