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Finding the Fourth Proportional to 92,840.40, 139,253.64 and 29,657.94

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Solution

The fourth proportional to 92,840.40, 139,253.64 and 29,657.94 is: 44,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,840.40 : 139,253.64 = 29,657.94 : x
  2. Step 2: Convert to fraction form
    92,840.40/139,253.64 = 29,657.94/x
  3. Step 3: Cross multiply
    92,840.40x = 139,253.64 × 29,657.94
  4. Step 4: Simplify right side
    92,840.40x = 4,129,976,099.90
  5. Step 5: Solve for x
    x = 4,129,976,099.90/92,840.40
  6. Step 6: Final answer
    x = 44,484.69

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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.