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Finding the Fourth Proportional to 94,704.39, 130,706.46 and 58,905.90

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Solution

The fourth proportional to 94,704.39, 130,706.46 and 58,905.90 is: 81,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,704.39 : 130,706.46 = 58,905.90 : x
  2. Step 2: Convert to fraction form
    94,704.39/130,706.46 = 58,905.90/x
  3. Step 3: Cross multiply
    94,704.39x = 130,706.46 × 58,905.90
  4. Step 4: Simplify right side
    94,704.39x = 7,699,381,662.11
  5. Step 5: Solve for x
    x = 7,699,381,662.11/94,704.39
  6. Step 6: Final answer
    x = 81,299.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.