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Finding the Fourth Proportional to 61,692.86, 92,398.79 and 48,282.20

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Solution

The fourth proportional to 61,692.86, 92,398.79 and 48,282.20 is: 72,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692.86 : 92,398.79 = 48,282.20 : x
  2. Step 2: Convert to fraction form
    61,692.86/92,398.79 = 48,282.20/x
  3. Step 3: Cross multiply
    61,692.86x = 92,398.79 × 48,282.20
  4. Step 4: Simplify right side
    61,692.86x = 4,461,216,617.13
  5. Step 5: Solve for x
    x = 4,461,216,617.13/61,692.86
  6. Step 6: Final answer
    x = 72,313.34

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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.