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Finding the Fourth Proportional to 61,522.40, 92,283.60 and 51,680.90

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Solution

The fourth proportional to 61,522.40, 92,283.60 and 51,680.90 is: 77,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,522.40 : 92,283.60 = 51,680.90 : x
  2. Step 2: Convert to fraction form
    61,522.40/92,283.60 = 51,680.90/x
  3. Step 3: Cross multiply
    61,522.40x = 92,283.60 × 51,680.90
  4. Step 4: Simplify right side
    61,522.40x = 4,769,299,503.24
  5. Step 5: Solve for x
    x = 4,769,299,503.24/61,522.40
  6. Step 6: Final answer
    x = 77,521.35

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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.