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Finding the Fourth Proportional to 92,913.84, 139,352.76 and 26,337.96

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Solution

The fourth proportional to 92,913.84, 139,352.76 and 26,337.96 is: 39,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,913.84 : 139,352.76 = 26,337.96 : x
  2. Step 2: Convert to fraction form
    92,913.84/139,352.76 = 26,337.96/x
  3. Step 3: Cross multiply
    92,913.84x = 139,352.76 × 26,337.96
  4. Step 4: Simplify right side
    92,913.84x = 3,670,267,418.77
  5. Step 5: Solve for x
    x = 3,670,267,418.77/92,913.84
  6. Step 6: Final answer
    x = 39,501.84

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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.