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Finding the Fourth Proportional to 92,909.30, 139,365.77 and 29,741.45

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Solution

The fourth proportional to 92,909.30, 139,365.77 and 29,741.45 is: 44,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,909.30 : 139,365.77 = 29,741.45 : x
  2. Step 2: Convert to fraction form
    92,909.30/139,365.77 = 29,741.45/x
  3. Step 3: Cross multiply
    92,909.30x = 139,365.77 × 29,741.45
  4. Step 4: Simplify right side
    92,909.30x = 4,144,939,234.63
  5. Step 5: Solve for x
    x = 4,144,939,234.63/92,909.30
  6. Step 6: Final answer
    x = 44,612.75

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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.