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Finding the Fourth Proportional to 61,454.70, 92,072.70 and 52,706.70

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Solution

The fourth proportional to 61,454.70, 92,072.70 and 52,706.70 is: 78,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,454.70 : 92,072.70 = 52,706.70 : x
  2. Step 2: Convert to fraction form
    61,454.70/92,072.70 = 52,706.70/x
  3. Step 3: Cross multiply
    61,454.70x = 92,072.70 × 52,706.70
  4. Step 4: Simplify right side
    61,454.70x = 4,852,848,177.09
  5. Step 5: Solve for x
    x = 4,852,848,177.09/61,454.70
  6. Step 6: Final answer
    x = 78,966.27

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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.