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Finding the Fourth Proportional to 92,076.35, 127,056.50 and 56,302.49

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Solution

The fourth proportional to 92,076.35, 127,056.50 and 56,302.49 is: 77,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,076.35 : 127,056.50 = 56,302.49 : x
  2. Step 2: Convert to fraction form
    92,076.35/127,056.50 = 56,302.49/x
  3. Step 3: Cross multiply
    92,076.35x = 127,056.50 × 56,302.49
  4. Step 4: Simplify right side
    92,076.35x = 7,153,597,567.95
  5. Step 5: Solve for x
    x = 7,153,597,567.95/92,076.35
  6. Step 6: Final answer
    x = 77,692.02

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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.