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Finding the Fourth Proportional to 102,975.60, 154,494.59 and 43,033.17

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Solution

The fourth proportional to 102,975.60, 154,494.59 and 43,033.17 is: 64,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,975.60 : 154,494.59 = 43,033.17 : x
  2. Step 2: Convert to fraction form
    102,975.60/154,494.59 = 43,033.17/x
  3. Step 3: Cross multiply
    102,975.60x = 154,494.59 × 43,033.17
  4. Step 4: Simplify right side
    102,975.60x = 6,648,391,740.38
  5. Step 5: Solve for x
    x = 6,648,391,740.38/102,975.60
  6. Step 6: Final answer
    x = 64,562.79

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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.