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Finding the Fourth Proportional to 63,120.84, 94,609.32 and 39,439.32

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Solution

The fourth proportional to 63,120.84, 94,609.32 and 39,439.32 is: 59,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,120.84 : 94,609.32 = 39,439.32 : x
  2. Step 2: Convert to fraction form
    63,120.84/94,609.32 = 39,439.32/x
  3. Step 3: Cross multiply
    63,120.84x = 94,609.32 × 39,439.32
  4. Step 4: Simplify right side
    63,120.84x = 3,731,327,246.46
  5. Step 5: Solve for x
    x = 3,731,327,246.46/63,120.84
  6. Step 6: Final answer
    x = 59,114.03

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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.