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Finding the Fourth Proportional to 92,692.18, 127,915.68 and 52,409.80

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Solution

The fourth proportional to 92,692.18, 127,915.68 and 52,409.80 is: 72,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,692.18 : 127,915.68 = 52,409.80 : x
  2. Step 2: Convert to fraction form
    92,692.18/127,915.68 = 52,409.80/x
  3. Step 3: Cross multiply
    92,692.18x = 127,915.68 × 52,409.80
  4. Step 4: Simplify right side
    92,692.18x = 6,704,035,205.66
  5. Step 5: Solve for x
    x = 6,704,035,205.66/92,692.18
  6. Step 6: Final answer
    x = 72,325.79

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1.5x scale

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.